Custom Packaging

How to Make Custom Boxes: A Practical Step-by-Step Guide

✍️ Emily Watson 📅 April 25, 2026 📖 27 min read 📊 5,322 words
How to Make Custom Boxes: A Practical Step-by-Step Guide

How to make custom boxes sounds simple until you sit down with a product, a budget, and a ship date. I’ve watched brands lose 10 to 14 business days because they treated packaging like an afterthought, then had to redesign a carton after the product was already on the line. Painful. Expensive. Completely avoidable, which is the annoying part. The good news? Once you understand how to make custom boxes in practical terms, the process becomes far more predictable than most people expect, especially if you start with a 350gsm C1S artboard folding carton or a 32 ECT corrugated mailer instead of guessing.

Most first-time buyers get surprised by something basic: “custom” does not always mean inventing a brand-new structure from scratch. More often, it means adapting a proven die line to your product dimensions, print goals, and shipping needs. That distinction changes everything from tooling cost to lead time to the final carton price. If you’ve been comparing custom printed boxes, retail packaging, or branded packaging options, the smartest move is to start with fit, not graphics. I know, I know. Everyone wants to talk about foil and fancy finishes first. But the box still has to hold the thing, and a $0.18 unit that fits beats a $0.32 unit that looks pretty and fails the drop test.

I’m writing this from the angle of someone who has stood on factory floors in Dongguan, reviewed proofs at supplier desks in Shenzhen, and watched a pallet of beautifully printed cartons fail a fit test because the insert was 3 mm too tight. That happens more often than teams admit. I remember one supplier meeting in Ningbo where the sample looked perfect on paper, then the product jammed halfway in and everyone got very quiet, very fast. So let’s make this practical: how to make custom boxes, what they cost, how long they take, and which decisions actually move the needle when your approval window is 12 business days, not 12 months.

How to Make Custom Boxes: What It Really Means

When people ask how to make custom boxes, they usually mean one of four things. They may want to design the box themselves, request a manufacturer to produce it, build a prototype, or simply understand the process before approving a quote. Those are related, but they are not the same job. A brand manager focused on package branding will care about shelf impact. An operations lead will care about pack speed, carton count, and damage rates. Both are right. Both will argue about different details. That’s packaging for you, especially when the factory in Guangzhou wants final artwork by Tuesday and finance wants a price under $0.25 per unit for 10,000 pieces.

Here’s the reality I’ve seen repeatedly: a large share of so-called custom packaging is built from standard die lines that have been adapted for a specific product, not engineered from zero. A mailer box, a tuck-end carton, or a rigid two-piece box often starts from a known structure, then gets sized and printed to match the brand. That shortcut is not a compromise. In many cases, it’s the smartest route because it reduces development time and keeps unit pricing more manageable. A common example is a 6 x 4 x 2 inch mailer in E-flute corrugated board, which can cost around $0.15 per unit for 5,000 pieces in plain kraft and closer to $0.28 to $0.35 with full-color CMYK print. Honestly, I think “custom” gets overhyped a lot. You do not need a science project when a smart modification will do the job.

In plain language, custom boxes can include several independent decisions:

  • Size — the exact internal and external dimensions, such as 180 x 120 x 60 mm or 8 x 6 x 3 inches
  • Material — corrugated board, folding carton, rigid board, or specialty stock like 350gsm C1S artboard or 2mm greyboard wrapped in printed paper
  • Print — one-color, full-color, inside print, or spot color
  • Finish — matte, gloss, soft-touch, foil, embossing, UV, and more
  • Insert system — paperboard, foam, molded pulp, or custom corrugated inserts
  • Closure style — tuck flap, magnetic closure, mailer lock, sleeve, or telescoping lid

That’s why how to make custom boxes is really a packaging design decision tree. One brand can choose a standard mailer with a logo and one-color interior. Another can spec a rigid box with foil stamping, an EVA insert, and a magnetic flap. Both are custom. The difference is not just aesthetic. It affects freight cost, minimum order quantities, and lead time. A simple folding carton run out of Dongguan might ship in 12 to 15 business days after proof approval, while a rigid box with custom foam from a factory in Huizhou can take 18 to 25 business days. And yes, it affects how many times your team will email “just one more revision” before someone starts blinking slowly in a meeting.

Businesses choose custom packaging for four reasons, and I’ve heard all four in client meetings:

  1. Product protection — less movement, fewer returns, lower breakage.
  2. Shelf appeal — stronger retail packaging can lift attention in crowded channels.
  3. Shipping efficiency — a right-sized box can cut void fill and reduce dimensional weight.
  4. Brand recognition — repeated visual cues make customers remember you faster.

I visited a supplement client’s fulfillment room in Los Angeles where they had been using oversized stock cartons for six months. The labor team was adding paper fill to every order, and the shipping manager showed me the invoice: dimensional weight penalties had climbed by 17% in one quarter. Once they switched to a tailored 24-point SBS folding carton with a custom corrugated shipper, their void fill dropped by nearly half and their pack time went from 52 seconds to 39 seconds per order. That’s the kind of outcome that makes how to make custom boxes worth learning properly. Also, the warehouse team stopped hating the boxes, which was a nice side effect.

Set expectations early: making custom boxes can mean designing them, prototyping them, or managing production with a packaging supplier. If you’re buying from a manufacturer, you are not physically gluing cartons at your desk. You are translating a product requirement into a production specification. That distinction saves time and prevents a lot of bad assumptions. It also saves you from the classic “why doesn’t the box open the way I imagined?” conversation. I have lived that conversation in a supplier office in Shenzhen at 6:40 p.m. after a 3.5-hour sample review. I do not recommend it.

For brands that want to see examples before they order, Custom Packaging Products is a useful place to compare box styles and structural options. I also recommend checking the EPA recycling guidance if sustainability is part of the brief. Material choice matters more than most marketing teams think, even when everyone is pretending the paperboard decision is “just a detail.” It is not, especially if you are comparing virgin SBS to recycled kraft from mills in Taiwan or Vietnam.

How to Make Custom Boxes Works From Concept to Carton

The workflow for how to make custom boxes follows a sequence that looks straightforward on paper and slightly messy in practice. First comes product measurement. Then box style selection. After that, structural design, artwork preparation, prototyping, approval, print production, die cutting, folding, packing, and shipping. Miss one step, and the whole schedule slips by several days or even several weeks. I’ve seen a missing measurement turn into a 14-business-day delay because the insert cavity was off by 2 mm. Two weeks. For one forgotten millimeter. Packaging is humble until it is not.

Here’s the basic production path I’ve seen work best:

  1. Measure the product accurately, including accessories and protective space.
  2. Choose a box style based on use case: mailer, tuck end, rigid, sleeve, or shipping carton.
  3. Create or request a dieline.
  4. Place artwork with proper bleed, safety margins, and panel orientation.
  5. Request samples or prototypes.
  6. Approve the structure and graphics.
  7. Run mass production.
  8. Pack, palletize, and ship the finished cartons.

The difference between stock packaging with branding and true custom packaging is easy to miss. Stock packaging usually means a pre-made size with a logo added, often by sticker, stamp, or simple print. True custom packaging is produced to the dimensions and requirements of your product. That can mean a tighter fit, better presentation, and lower shipping waste. It can also mean more setup work before the first carton is produced. A typical setup fee for a short-run digital job may be $60 to $150, while offset plating for larger runs in mainland China can start around $180 to $300 depending on size and color count. I always tell clients: you’re not paying for a box. You’re paying for every decision that keeps the box from becoming a problem later.

There are usually five roles in the process. The brand owner defines the business need. The structural designer converts the product into a box. The graphic designer handles the visuals. The packaging supplier quotes the project and manages production. The factory team cuts, prints, and assembles the order. If one of those roles is vague, confusion starts. I’ve seen projects stall because nobody knew who was approving the die line, which sounds minor until a thousand cartons are already scheduled at a plant in Foshan. Then suddenly everyone is “checking with the team,” which is corporate code for “we should have sorted this out last week.”

One comparison shows why small design changes matter. A box that grows by just 5 mm on each side can increase board usage, change how many units fit per master carton, and reduce pallet efficiency. That one adjustment can alter freight pricing, carton count, and storage footprint. I once reviewed a beauty brand’s folding carton where a 2.5 mm increase in width forced a different shipping arrangement, and the warehouse team lost 18% more space on the pallet. That is not a design problem. It is a logistics problem disguised as a packaging tweak.

Timelines vary, but the pattern is predictable. Simple projects with standard structures and clean artwork can move quickly. Projects with special inserts, multiple finishes, or rigid construction take longer because each step has more variables. A plain 4-color CMYK mailer might be approved, printed, and shipped in 12 to 15 business days from proof approval, while a rigid setup with foil and embossing can take 20 to 30 business days, especially if the factory is in Shanghai and the insert supplier is in a different region. If a supplier tells you everything can be done immediately, I’d ask about proofing, tooling, and shipping coordination. Those are the real schedule drivers. Anyone promising miracles without asking about insert thickness is either very optimistic or not paying attention.

For structural guidance and industry benchmarks, I often point clients to ISTA testing standards. If your box has to survive distribution, drop performance and compression strength are not academic details. They are the difference between a pristine unboxing and a damaged return. A 44 lb compression test or a 24-inch drop test can tell you more than five opinions in a Slack thread. And returns are where the mood in the office gets weird very quickly.

Custom box workflow showing measurement, dieline creation, proofing, printing, and folding carton production

Key Factors That Shape Custom Box Design and Cost

If you want to understand how to make Custom Boxes Without overpaying, you need to know what drives cost. The first driver is almost always dimensions. A box that is too large wastes board, increases freight, and often needs more void fill. A box that is too small risks scuffing, crushing, or fit issues. Good packaging design starts with the product, not with a favorite box template. I know some teams fall in love with a certain box style. Cute. But the product still has to fit, whether it’s a 125 ml bottle in a 165 x 55 x 55 mm carton or a 2-piece gift set in a 250 x 180 x 90 mm rigid box.

Material choice is the next major variable. Corrugated boxes are common for shipping because they are strong and cost-effective. Folding cartons are lighter and often used for retail packaging. Rigid boxes are premium and usually chosen for luxury items, electronics, and gift sets. Specialty boards can add texture or stiffness, but they also raise material cost. In my experience, clients sometimes overspend on board grade when the better answer is simply a smarter structure. A 350gsm C1S artboard carton with a well-designed insert can outperform a heavier board that is poorly scored. The board is not always the hero. Sometimes it is just doing its job quietly in the background, like the one competent person in a messy project.

Print complexity changes price fast. A single-color logo on kraft board is very different from a full-color illustration with interior print, foil, and embossing. Each extra production step adds setup time, inspection time, and risk of waste. If you are building custom printed boxes for retail or gifting, decide early which visual details are truly necessary. A simple 1-color print on natural kraft may stay near $0.20 to $0.30 per unit at 5,000 pieces, while CMYK plus foil on a rigid box can land closer to $1.80 to $4.50 per unit depending on the factory in Shenzhen or Wenzhou. I’ve sat through enough print reviews to know that “can we just add one more finish?” is a sentence that starts small and ends with someone staring at a revised quote in silence.

Quantity matters too. Larger runs usually reduce per-unit cost because tooling, setup, and press time are spread across more boxes. Smaller runs are more flexible but usually cost more per unit. That is why order volume and forecast planning matter so much. If you know you will reorder, it may be smarter to plan around a larger initial run and hold inventory, rather than buying tiny batches every month. A 1,000-piece run might cost $0.42 per unit, while 5,000 pieces could drop to $0.19 per unit and 10,000 pieces to $0.14 per unit for the same simple mailer. A lot of brands avoid that conversation because inventory sounds scary. Fair. But so does paying more for every carton forever.

Insert design affects cost and performance. A simple paperboard insert is usually less expensive than molded pulp or foam, but the right choice depends on the product’s fragility, display needs, and sustainability goals. I’ve seen brands choose expensive inserts that looked beautiful and protected nothing better than a folded corrugated cradle would have. A paper insert might run $0.06 to $0.12 per unit, molded pulp around $0.14 to $0.25, and EVA foam can push higher depending on thickness and die cutting. That is the packaging equivalent of buying a fancy umbrella that leaks.

Compliance and testing can also shape budget. If your product ships through e-commerce, withstands international transport, or requires specific retail standards, you may need compression, drop, or vibration testing. That adds cost up front, but it can prevent much larger losses later. I would rather argue about a $75 sample test than explain a warehouse full of crushed units. Trust me on that one.

Here’s a simple way to think about cost drivers:

  • Larger box dimensions increase board usage and freight expense.
  • More print colors and finishes increase setup and production complexity.
  • Special inserts increase material cost and design time.
  • Low quantities usually increase per-unit pricing.
  • Testing and sample revisions increase timeline but reduce risk.

Step-by-Step: How to Make Custom Boxes the Right Way

If you want the cleanest route for how to make custom boxes, start with the product and work outward. Not the other way around. I’ve watched too many teams pick a box style because they saw it on a competitor’s shelf, then spend the next month forcing their product into a shape that never should have been used in the first place. A 90 x 90 x 40 mm product needs a different logic than a 300 g jar, even if the marketing team likes the same pastel color.

Step 1: Measure everything. Measure the product, any accessories, closures, labels, and protective materials. Use the real packed dimensions, not just the product dimensions from the spec sheet. A bottle with a cap is not the same as a bottle without one. Sounds obvious. Somehow it still gets missed. For best results, record measurements in millimeters and inches, then add 2 to 3 mm of fit allowance for cartonboard and 3 to 5 mm for corrugated inserts.

Step 2: Pick the box style. Choose a style that fits the use case. Corrugated mailers work well for subscription boxes and direct shipping. Folding cartons fit retail shelves and lighter goods. Rigid boxes suit premium presentation. If you need protection during parcel shipping, don’t force a delicate carton into a shipping job it was never built for. For example, a mailer in E-flute or F-flute corrugated board is common for e-commerce, while a tuck-end carton in 350gsm C1S artboard is better for retail display and secondary packaging.

Step 3: Request a dieline. A dieline gives you the structural map. It shows folds, cuts, glue areas, and safe print zones. If your supplier provides a dieline, confirm whether it is for internal dimensions or external dimensions. That tiny question saves a lot of confusion later. A factory in Guangdong may quote based on internal size, while a graphic team in Chicago is assuming the outer size. That mismatch is how boxes become “mysteriously” too small.

Step 4: Set artwork correctly. Artwork should account for bleed, trim, safe zones, and color standards. Bad artwork causes delays. Not dramatic delays, just the kind that make everybody grumpy and make one designer say, “I swear it was fine in my file.” Maybe. But the printer does not care what the file looked like on your screen. Ask for a 3 mm bleed on cartons and 5 mm on complex wraps, and confirm whether the factory uses Pantone references or CMYK builds before approving final files.

Step 5: Sample the box. Always request a prototype or sample run before full production. You want to test fit, opening experience, product security, and print accuracy. I have never regretted a sample approval. I have regretted skipping one. Those are very different feelings. A paper prototype may cost $20 to $60, while a fully printed sample from a factory in Shenzhen can run $80 to $180 depending on size and finish.

Step 6: Review production details. Confirm quantity, material grade, finish, packing method, pallet configuration, and shipping schedule. Ask for a clear approval deadline. Packaging suppliers do better when the approval path is clean. So do you. If the factory says 12 to 15 business days from proof approval, get that in writing, along with carton count per master case and pallet height if the boxes ship on 40 x 48 inch pallets.

Step 7: Inspect the first run. Check the first cartons from production if possible. Verify dimensions, glue strength, print registration, and overall appearance. A quick inspection catches problems before they become a warehouse disaster. I once caught a 4 mm glue flap shift on the first 200 cartons in a Shanghai run, which saved the client from repacking 8,000 units.

Step 8: Plan reorders early. If the box works, document the spec and keep it on file. Reorders become much easier when you have the exact dimensions, board grade, print files, and approval history in one place. Future-you will be grateful. Probably with snacks. And a much calmer inbox.

Common Mistakes When Learning How to Make Custom Boxes

Most mistakes in how to make custom boxes are not dramatic. They are boring, preventable, and expensive. Which, honestly, is the worst kind. A $0.03 design error on a 20,000-piece run turns into a very loud problem very fast.

1. Designing for looks before function. A beautiful box that crushes in transit is still a bad box. The structure has to work first. The pretty part comes after that. If you are shipping from a warehouse in New Jersey to customers in Texas and California, the carton needs enough strength to survive real carrier handling, not just a shelf photo.

2. Ignoring product tolerance. Products are not always identical. Fabric, closures, caps, and packaging accessories all vary slightly. If the fit is too tight, small changes become big problems. I once saw a rigid box line fail because the product manufacturer had a tolerance swing nobody bothered to mention. Surprise. Nobody enjoyed that meeting. The fix was a 2 mm cavity adjustment and a new insert cut in Suzhou.

3. Forgetting shipping realities. A box may look perfect on a shelf and still fail in distribution. Compression, humidity, stacking, and carrier handling all matter. This is where testing earns its keep. A carton that passes in a dry 22°C showroom might act very differently after 48 hours in a humid warehouse in Miami or Singapore.

4. Approving artwork too late. Delayed files push back production. The factory cannot print what it does not have. Revolutionary concept, I know. If your designer misses the 3 p.m. proof deadline in Shanghai, that can push a run by one full business day, sometimes more if plates or digital setup are already queued.

5. Ordering too little or too much. Too little and unit costs stay high. Too much and cash gets tied up in inventory. Forecasting is part math, part experience, and part accepting that somebody will guess wrong once in a while. A run of 500 pieces may look safe until you realize the per-unit cost is $0.48 instead of $0.17 at 5,000 pieces.

6. Skipping sample review. The sample is not a suggestion. It is the moment to catch the problem before it becomes an expensive pile of cartons. I’ve seen an unapproved sample result in 3,000 boxes with the wrong tuck direction. That was a fun week for nobody.

7. Choosing the wrong supplier type. Some vendors are great at short-run digital print. Others are better at high-volume offset or rigid box production. Match the supplier to the job. Otherwise you end up paying for capabilities you do not need, or worse, asking a factory to do work outside its lane. A printer in Shenzhen that runs small digital mailers all day is not the same as a rigid-box plant in Dongguan with lamination, foil stamping, and hand assembly lines.

Expert Tips for Better Custom Boxes and Faster Approvals

If you want faster approvals and fewer headaches while learning how to make custom boxes, a few habits make life easier. These are the things I wish more teams did before I had to chase them down by email three times. Or four. I stopped counting after the second “quick update.”

Write a packaging brief. Include product dimensions, target quantity, shipping method, brand style, required finish, sustainability preferences, and budget. A clear brief cuts out most of the back-and-forth. It also keeps random idea creep from taking over the project. If your brief says 8,000 units, 350gsm C1S artboard, matte lamination, and delivery to a warehouse in Dallas by June 18, everyone knows what game they are playing.

Lock the structural needs first. Decide what the box must do before deciding how it should look. If it needs to support weight, resist crushing, or display a product in a certain way, solve that first. Design is much easier when the structure is already doing its job. A good structure on a 2-piece rigid box can save you $0.20 to $0.40 per unit in product damage compared with a weaker carton that “looked fine” in the mockup.

Standardize approvals. Make sure one person owns final sign-off for dielines, one for artwork, and one for production samples. Mixed approval chains cause chaos. I’ve seen a file approved by three people and rejected by a fourth who “didn’t realize it was final.” That phrase should come with a warning label. Put approval names, dates, and timestamps in the spec, and ask for same-day responses when the factory is waiting in Shenzhen or Xiamen.

Use realistic lead times. Ask your supplier for a timeline that includes sampling, revisions, production, and transit. Then add a little cushion. Not because everyone is slow, but because packaging projects love to find tiny surprises at the worst moment. A typical project might need 2 to 4 business days for a sample, 1 to 3 days for revisions, 12 to 15 business days for production, and 3 to 7 days for ocean or air freight depending on destination.

Ask about material substitutions. Sometimes the right box can be made from a different board grade or finish that performs just as well at a lower cost. Suppliers know this. Good ones will tell you. The average one will just send a quote and hope you don’t ask questions. For example, a 400gsm CCNB board might deliver similar shelf impact to a pricier SBS board for a dry goods SKU, especially if you are printing CMYK and adding aqueous coating instead of soft-touch.

Think about the unboxing experience early. If the customer opens the box in a store, on camera, or at home, the sequence matters. Placement, print placement, insert orientation, and opening style all affect that experience. I’m not saying every box needs a dramatic reveal. I am saying nobody gets excited by a product buried upside down in a sad little tray. A centered logo, a 10 mm reveal line, and a neat insert can do a lot without adding $0.50 in extras.

Keep a spec sheet. Once your box is approved, save the details in a way that your team can actually find later. Include dimensions, board type, print method, finish, and supplier contacts. Reorders become much easier when the information is not trapped in someone’s inbox from last spring. I prefer a shared sheet with the exact quote, date, and factory location — Guangzhou, Dongguan, or Foshan — because memory is not a system.

What to Do Next After You Make Custom Boxes

Once you’ve figured out how to make custom boxes and approved a design, the next step is making sure the packaging keeps working after launch. Custom boxes are not a one-and-done decision. They should be measured, reviewed, and improved based on what happens in the real world, especially during the first 30 to 60 days of fulfillment.

Start by checking fulfillment feedback. Ask your warehouse team whether the box packs efficiently. Ask customer service whether damages dropped. Ask operations whether the box performs well on the line. The people packing and shipping your product will usually tell you the truth long before a dashboard does. If the packers in Chicago or Phoenix need 15 extra seconds per unit because the insert is awkward, that matters more than any marketing deck.

Then review the customer experience. Does the box arrive intact? Does it feel premium? Is the opening intuitive? Does it protect the product without wasting space? These questions matter because packaging does more than contain the item. It shapes how people feel about the brand before they ever use the product. A well-built mailer with a matte finish and a clean 2-color print can do that job for less than $0.30 per unit in a 5,000-piece run.

If you plan to reorder, update the spec with any small improvements from the first run. A tiny change in tuck depth, insert fit, or board strength can save a lot of time later. I’ve seen clients treat the first approved version like a permanent law. It is not. It is a starting point that can get better. The best packaging programs I’ve seen in California, Illinois, and Texas all treated version 1.0 as editable.

For brands building a packaging program, it also helps to compare styles across product lines. A subscription box, a retail carton, and a shipping mailer do not need to look identical, but they should feel like they belong to the same brand family. That kind of consistency makes your packaging easier to scale and easier for customers to recognize. If the family resemblance comes from one Pantone 186C red and one recurring icon, great. Consistency beats chaos every time.

And if you’re still comparing options, revisit your product mix every few months. New SKUs, updated sizes, and promotions can all change what the best box looks like. Packaging is one of those areas where a little maintenance saves a lot of money later. Future budget owners will thank you. Maybe not publicly. But they’ll thank you, especially if you cut shipping waste by 8% and avoid a mid-year reprint from a factory in Zhejiang.

My honest takeaway: start with the product, choose the simplest structure that protects it, sample before you approve, and keep the spec sheet tight so the next run is easier than the first. That’s how to make custom boxes without turning the project into a cardboard mess.

FAQ

How do I start if I want to know how to make custom boxes?
Start with the product dimensions, shipping method, and desired presentation. Then choose a box style, request a dieline, and ask for a sample before production. That sequence saves time and avoids a lot of guesswork. If your product is small, like a 60 x 40 x 20 mm item, or large, like a 12 x 8 x 6 inch kit, the same logic still applies.

Are custom boxes expensive?
They can be, but not always. Cost depends on size, material, print complexity, quantity, and finish. A simple custom mailer may be very affordable, while a rigid box with specialty finishes will cost more. A plain corrugated mailer can be around $0.14 to $0.22 per unit at 10,000 pieces, while a foil-stamped rigid box might land at $2.00 or more depending on the factory and insert type.

What’s the difference between custom packaging and stock packaging?
Stock packaging uses pre-made sizes and usually gets branded with a logo or label. Custom packaging is built around your product’s dimensions and requirements. That usually improves fit and presentation. A stock carton may ship tomorrow, but a custom carton in 280 x 180 x 90 mm with a fitted insert can reduce damage and make the brand look far more polished.

How long does it take to make custom boxes?
Timelines vary based on structure, print method, sampling, and quantity. Simple projects can move quickly, while more complex boxes with inserts or premium finishes take longer. Always build in time for proofing and revisions. A common timeline is 2 to 4 days for sampling, 12 to 15 business days from proof approval for production, and then 3 to 7 days for transit depending on whether the boxes ship from Shenzhen, Ningbo, or a local warehouse.

Can I make custom Boxes for Small quantities?
Yes. Small runs are possible, especially with digital printing or simpler structures. Just know that the per-unit cost is usually higher than with larger orders. A 300-piece run might cost $0.60 per unit, while a 5,000-piece run of the same structure may drop near $0.18 to $0.25 per unit.

What file do I need for artwork?
Most suppliers want print-ready files placed on the dieline template, usually in vector format with proper bleed and safe zones. Ask your supplier for their preferred specs before you send files. Many factories in Guangdong prefer AI or PDF files with outlined fonts, 3 mm bleed, and CMYK color setup, though some will also accept high-resolution EPS files.

Do I need a prototype?
Yes, if you value your time and budget. A prototype helps you catch fit, print, and structural issues before mass production. Skipping it is how people end up with expensive regrets in cardboard form. A $40 sample can prevent a $4,000 reprint, which is not a hard math problem.

What box style is best for e-commerce?
Mailer boxes and corrugated shipping cartons are common choices for e-commerce because they protect product during transit and can be branded well. The best option depends on product weight, fragility, and unboxing goals. For items under 2 kg, E-flute or B-flute mailers work well; for heavier products, a 32 ECT or 44 ECT shipping carton from a plant in Dongguan or Suzhou may be the better call.

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