- Unit cartons, easy-open corrugated mailers and master cases sized to your exact ASIN dimensions.
- CubitPack makes corrugated mailers from 250 units and folding cartons from 1,000 units (RSC shippers ).
- Pre-print your FNSKU or GS1 UPC barcode directly on the box to skip manual per-unit sticker prep fees.
- Free design help, free custom dielines, digital proof and 3D mockup before payment, and free 50-state delivery.
Custom Amazon Seller Boxes
Custom Amazon seller boxes printed with your logo and scannable FNSKU or UPC barcodes, sized for lower fulfillment fee tiers. Order corrugated mailers from 250 boxes and folding cartons from 1,000 (we confirm the master case minimum with your quote) in 10–14 business days (4–5 rush), with free design help, no die fees and free US shipping.
What are custom Amazon seller boxes?
Custom Amazon seller boxes are private-label unit cartons, self-locking corrugated mailers and inbound master shipping cases engineered for brands selling through Fulfillment by Amazon (FBA) or Fulfilled by Merchant (FBM). In automated fulfillment centers, a quarter-inch of excess box height can push an item into a higher size tier and cost extra on every unit sold, while a poorly placed barcode can trigger inbound receiving delays or per-unit relabeling fees. Custom sizing lets you trim wasted space, protect fragile glass or electronics with fitted inserts, and print your FNSKU or UPC barcode directly on a high-contrast flat panel. CubitPack is an independent packaging supplier and is not affiliated with or endorsed by Amazon; sellers confirm final FBA size tiers and SIOC (Ships in Own Container) enrollment in Seller Central. Mailers start at 250 boxes and folding cartons at 1,000, in 10 to 14 business days.
Amazon seller boxes facts
- Minimum
- 250 mailers; 1,000 folding cartons; RSC
- Turnaround
- 10-14 business days
- Rush
- 4-5 days, quoted
- Materials
- Kraft corrugated, white corrugated, SBS card, recycled
- Barcodes
- Direct FNSKU, GS1 UPC, transparency & lot code zones
- Printing
- CMYK, Pantone, outside + inside print, white ink
- Finishes
- Matte, gloss, soft-touch, spot UV, foil, emboss
- Protection
- Cardboard dividers, E-flute inserts, EVA/EPE foam
- Shipping
- Free to all 50 states, blind 3PL/prep center delivery
Which box style fits your Amazon FBA or FBM fulfillment workflow?
| Box style | Fulfillment role | Best for | Minimum |
|---|---|---|---|
| Corrugated mailer box | FBM direct parcel or SIOC-style candidate | Multi-packs, apparel, home goods, starter sets | 250 boxes |
| Mailer with fitted insert | Drop-resistant unit box for fragile ASINs | Glass bottles, ceramics, electronics bundles | 250 boxes |
| Auto lock bottom carton | Fast-packing FBA unit box for heavy items | Supplements, skincare jars, kitchen gadgets | 1,000 boxes |
| Seal end carton | Glue-sealed unit box (check Seller Central for polybag rules) | Powders, tea bags, cosmetics, small parts | 1,000 boxes |
| Straight tuck end carton | Compact paperboard box for Small Standard tier | Serums, cables, jewelry, light accessories | 1,000 boxes |
| Regular slotted carton (RSC) | Inbound FBA case-packed master shipper | Shipping 24 to 100 retail units per master carton |
Not sure which style fits?
Request a Quote →What size custom Amazon seller box do I need?
Every box is cut to your exact inside dimensions (Length × Width × Height in inches). Remember that fulfillment centers laser-scan the outside dimensions of your box, so account for board thickness when targeting a specific FBA size boundary. Whether you are comparing amazon fba product boxes, custom packaging for amazon sellers, printed amazon fba mailer boxes, fnsku barcode ready retail boxes or sioc ready corrugated boxes, we size the template to your exact container.
| Inside size (in) | Typically fits | Popular style |
|---|---|---|
| 5.5 × 3.5 × 0.6 in | Flat accessories, phone cases, patches (keeps outside thickness under 0.75 in) | Straight tuck end carton |
| 6 × 4 × 2 in | Dropper bottles, vitamin jars, small gadgets under 1 lb | Auto lock bottom or small mailer |
| 8 × 6 × 3 in | 2-pack or 3-pack virtual bundle of jars, candles or grooming items | Corrugated mailer with divider |
| 10 × 7 × 3.5 in | Kitchen utensils, pet accessories, frustration-free corrugated mailer pack | Roll end tuck front mailer |
| 13.5 × 10.5 × 4.5 in | Apparel bundles, small appliances (stays comfortably inside 18 × 14 × 8 in) | Corrugated mailer or die-cut box |
| 17.5 × 13.5 × 11.5 in | Inbound case-packed master carton holding 24 to 48 retail unit boxes | Regular slotted shipping box (RSC) |
Suggested inside size: 5.5 × 3.5 × 0.6 in
A starting point. Your account manager confirms the size with you before the proof.
Quote this size →Know your product's size? Work out the inside box size with our free box size calculator.
Have your inside dimensions ready? Request pricing across up to 3 quantities.
Request a Quote →How do I choose amazon seller boxes?
- Check outside thicknessLaser cubiscans read outside dimensions: leave ¼ inch margin below your target fee boundary.
- Pick unit carton vs SIOC mailerUse folding cartons if Amazon overboxes the item; use corrugated mailers for solo shipping.
- Show only one scannable barcodePrint your FNSKU on a flat white rectangle and omit or cover any competing UPC barcode.
- Lock the flaps against chute dropsUse seal-end glue flaps, auto-lock bases or tamper stickers so lids never pop open in bins.
- Protect glass for 3-foot dropsAdd E-flute or foam dividers to protect glass jars, and ask for a prototype with drop and crush testing before you ship to fulfillment centers.
- Keep insert copy policy-safePrint neutral setup instructions and support info inside the lid without incentive review language.
What are amazon seller boxes made of?
Which finishes can amazon seller boxes have?
Which add-ons can I get?
Amazon seller boxes specifications
| Spec | Options |
|---|---|
| Box styles | Roll-end corrugated mailer, auto lock bottom, seal end, straight tuck end, RSC master carton |
| Board options | Kraft corrugated, white corrugated, SBS/C1S paperboard, recycled board |
| Flute & ECT ratings | Corrugated board, card (paperboard) or kraft board matched to parcel weight |
| Barcode & FBA prep | Pre-printed FNSKU/UPC barcode zones and unvarnished lot knockouts |
| Printing | Full-color CMYK, Pantone match guaranteed, outside + inside print, white ink on kraft |
| Finishes | Matte, gloss, soft-touch lamination, spot UV, foil stamping, emboss/deboss |
| Minimum order | From 250 mailer boxes; 1,000 for folding cartons; RSC shipping boxes; ±5% tolerance |
| Proofs & testing | Free 2D dieline proof and 3D mockup before payment; prototypes and drop/crush testing available |
| Turnaround | 10-14 business days standard; 4-5 business days rush quoted on request |
| Shipping | Free to all 50 US states; blind and split shipping to US prep centers and 3PL warehouses |
Ready to quote your amazon seller boxes? Compare up to 3 quantities with a free 3D mockup.
Request a Quote →How do private-label brands use custom Amazon seller boxes?
Selling on a marketplace means your box has to satisfy warehouse scanners and sorting chutes first, and then win over the customer at home so returns stay low. These are the five ways sellers use custom boxes to cut prep costs and protect ratings.
Amazon seller boxes design ideas
Example designs with made-up brands. Your packaging is made to your design.
What are the most common custom Amazon seller box mistakes?
Fulfillment centers use automated laser cubiscans and high-speed optical readers that penalize small design oversights. Avoid these five mistakes. When specifying amazon seller boxes with logo, branded amazon seller boxes, wholesale amazon seller boxes, bulk custom amazon seller boxes and personalized amazon seller boxes, avoid these common production mistakes
- Leaving both a manufacturer UPC barcode and an FNSKU barcode visible on the outside of the box, causing scanner conflicts at check-in.
- Designing a box to the exact 0.75 inch or 8.0 inch tier limit using inside dimensions, forgetting that corrugated wall thickness pushes outside dimensions over the line.
- Using friction tuck flaps without slit-locks or tamper seals, allowing products to spill out inside fulfillment bins.
- Shipping multi-packs without a bold 'Sold as a Set - Do Not Separate' callout next to the bundle barcode.
- Printing incentivized review requests on insert cards instead of neutral setup instructions and customer support links.
Chat with a designer now
Share your logo, a sketch or an AI image. We'll rebuild every element cleanly onto your box dieline and send a 3D mockup, free.
Made your design with AI?
Generated a concept in Google Gemini, ChatGPT, Claude or Midjourney? Send us your AI image: we rebuild every element onto your box dieline and show you a 3D mockup before you pay, free.Custom vs stock amazon seller boxes: which is better?
| Stock (plain) | Custom from CubitPack | |
|---|---|---|
| FBA size tier | Fixed catalog sizes often cross dimensional boundaries by ½ inch | Cut to your exact inside L × W × H to stay below fee thresholds |
| Barcode prep | Requires manual FNSKU stickers applied by hand on every unit | FNSKU barcode printed directly in your artwork at zero extra cost |
| Fragile prep | Needs hand-wrapped bubble wrap and polybags at a prep center | Custom corrugated or foam insert protects items inside one box |
| Minimum order | Plain brown cartons sold in small bundles | From 250 corrugated mailers; 1,000 folding cartons; RSC shippers |
| Tooling & proof | No dieline or barcode placement check | Free dieline, no die or plate charges, 2D proof and 3D mockup |
Get custom amazon seller boxes sized to your product, with a free 3D mockup before you pay.
Request a Quote →Are amazon seller boxes safe and sustainable?
Independent manufacturing & transparent compliance
CubitPack is an independent packaging provider and is not affiliated with or certified by Amazon. We build boxes to your requested dimensions and offer physical prototypes and drop/crush testing so you can verify performance for your Seller Central requirements.High-contrast barcode & lot-code prepress check
Our prepress team checks that your FNSKU or UPC barcode sits on a flat, uncreased panel with a clean white quiet zone and matte low-glare finish.Blind shipping to US prep centers and 3PLs
Delivery to all 50 US states is free, and we offer blind shipping and split shipments to your US prep center, co-packer or 3PL warehouse.How do I order custom amazon seller boxes?
Tell us what you need
Size, quantities or AI conceptCompare volume pricing
Dedicated account managerApprove your proof
Digital proof + 3D mockupMade and shipped
Free to all 50 statesHow much do custom Amazon seller boxes cost?
The price depends on four things, and every custom quote is free.
Box style & board
Paperboard unit cartons cost less per unit than corrugated mailers or double-wall master casesDimensions
Trimming excess height reduces both board cost and per-unit FBA fulfillment feesOrder quantity
Unit cost drops sharply from 250 mailers (or 1,000 cartons) up to 2,500 and 5,000+ unitsInserts & finishes
Adding internal dividers or lamination adds a step but can eliminate third-party prep feesBefore ordering, check whether printing your FNSKU directly on the box and adding a simple cardboard insert lets you eliminate per-unit polybagging, bubble-wrapping and sticker fees at your prep center. Your first order is 10% off, there are no die or plate charges, and we beat written US competitor quotes for the same specs. Buyers ordering custom size amazon seller boxes or straight tuck end carton amazon seller boxes can compare up to three quantities in one quote.
10% off your first order.
Request a Quote →What do I need to send for a quote?
- The product and how many you need
- The inside size, or what goes in it
- A style, or ask us to suggest one
- Your logo or artwork (an AI image is fine)
- Pantone codes, if you have them
- Delivery ZIP code and the date you need it
Can I see a sample first?
Sample kit
Board and finish swatches, sample boxes, labels and bags. Credited to your first order.Digital proof + 3D mockup
See it before you payPrinted sample
Of your own designHow does shipping work?
- Free shipping to all 50 states
- Worldwide with DDP prices: duties and taxes included
- Blind and split shipping
- Damaged in transit? We reprint the damaged units free
Why brands choose CubitPack
Dedicated specialist
One account manager from quote to deliveryPantone guaranteed
Clearly off? We reprintReprint or refund
If we get it wrong, you chooseBBB accredited
A US business you can checkAmazon seller boxes questions
Can you print my Amazon FNSKU barcode directly on the box?
Yes. Send us your FNSKU barcode PDF or PNG downloaded from Seller Central, and our prepress team will place it directly on your box dieline at no extra charge. We print it in crisp black ink on a flat white rectangle with a clean quiet margin so fulfillment scanners read it on the first pass.
Should I print both a UPC barcode and an FNSKU barcode on my FBA box?
No. If an FBA unit box shows two different scannable barcodes on the outside, warehouse scanners can read the wrong one or flag the shipment for manual relabeling. If you use FNSKU tracking, print only the FNSKU barcode on the exterior (or place the FNSKU on a separate retail SKU run).
Are your boxes officially Amazon FBA or SIOC certified?
CubitPack is an independent custom packaging supplier and does not issue official Amazon FBA or SIOC certifications, which must be enrolled and approved through your own Seller Central account. We engineer corrugated mailers and shippers to your exact dimensions and offer physical prototypes and drop/crush testing to help you prepare your submission.
How do custom box sizes help lower my Amazon FBA fulfillment fees?
FBA fulfillment fees jump at strict outside dimension and dimensional weight boundaries (for example, 0.75 inches thick for Small Standard, or 18 × 14 × 8 inches). Because we cut every box to your exact inside dimensions, trimming even ¼ inch of wasted air can keep your ASIN inside a lower fee tier.
What is the minimum order quantity for custom Amazon seller boxes?
Corrugated mailer boxes start at 250 boxes, making them ideal for launching a new private-label ASIN or testing a 2-pack bundle. Paperboard folding cartons start at 1,000 boxes. The minimum for regular slotted master shipping cartons (RSC) is. Small trial runs are considered case by case.
How do I package a multi-pack or bundle so FBA staff do not open it?
Pack the bundle inside a single sealed custom mailer or carton with only the bundle FNSKU barcode visible on the outside (blocking any individual unit barcodes inside). We also print a bold 'Sold as a Set - Do Not Separate' notice right next to the opening flap and barcode.
Can I print setup instructions or an insert card inside my Amazon box?
Yes. Printing clear 1-2-3 setup instructions and troubleshooting tips on the inside lid or on a custom insert card helps customers use your product properly and reduces avoidable negative reviews. Always keep your copy neutral and compliant with current marketplace communication policies.
How do I keep tuck flaps from popping open in fulfillment center bins?
Automated conveyor chutes and storage bins can jostle friction tuck flaps open. We recommend using a glue-sealed carton (seal end), an auto-lock bottom with a slit-lock top tab, a roll-end mailer with double side locks, or adding a custom tamper-evident seal sticker across the flap.
Can you ship flat boxes directly to my US prep center or 3PL warehouse?
Delivery to all 50 US states is free, and we offer blind shipping and split shipments to your US prep center, co-packer or 3PL warehouse.
How long does production take for custom Amazon seller boxes?
Standard turnaround is 10 to 14 business days after you approve your 2D digital proof and 3D mockup and complete payment. If you are racing to restock a bestselling ASIN before a seasonal event, 4 to 5 business day rush production is available.
Still have a question? Ask a packaging specialist.
Request a Quote →Amazon seller boxes terms, explained
- FNSKU
- Fulfillment Network Stock Keeping Unit, the Amazon-specific barcode that links a physical unit to your seller account
- SIOC (Ships in Own Container)
- Packaging durable enough to ship to the buyer with a carrier label applied directly to your box without an Amazon overbox
- Cubiscan
- The infrared and laser dimension-measuring system fulfillment centers use to record a unit box's outside L × W × H
- Case-packed master carton
- An outer corrugated shipping box containing a fixed quantity of identical retail units of a single SKU
- Quiet zone
- The clear, unprinted white margin required around all four sides of an FNSKU or UPC barcode for accurate laser scanning
- Slit-lock tab
- Small die-cut ears on a tuck flap that hook into the side dust flaps so the box lid cannot pop open in transit bins
More for your e-commerce packaging
Learn more
Get your amazon seller boxes price
One dedicated account manager prepares pricing across up to 3 quantities.
- Free design & AI-to-print studio + 3D mockup
- No die or plate charges · 4–5 day rush available
- Free shipping to all 50 states
- 10% off your first order
- Reprint or refund if we get it wrong
Every CubitPack fact on this page comes from our confirmed specifications (250-box mailer minimum, 1,000-box folding carton minimum, 10 to 14 business day turnaround, free design help, no die or plate charges and free 50-state shipping; RSC shipping box minimum is ) and was checked by a packaging specialist. CubitPack is not affiliated with Amazon; sellers verify current FBA rules in Seller Central. Spot something wrong? Tell us and we will fix it. Tell us if something looks wrong.
Sources
What changed
- October 22, 2026: First published.
- October 22, 2026: Updated specifications, terminology, and verified source links.