Amazon FBA Clothing Manufacturer: How Do You Make Apparel That Is Ready to Sell on Amazon?

Your first Amazon clothing order is finally finished.

The garments look good.

The cartons are packed.

The shipment reaches the fulfillment network.

Then the problems begin.

One size has the wrong barcode.

A medium hoodie is packed under the large SKU.

Several units are not prepared according to Amazon's current apparel requirements.

Customers begin leaving comments such as:

“Runs small.”

“Different from my last order.”

“Wrong size received.”

The manufacturing quality may be acceptable.

But the Amazon program is not.

That is why developing apparel for Amazon FBA requires more than:

making the garment.

Amazon-ready clothing needs controlled sizing, correct variation identification, compliant unit preparation, accurate barcodes, reliable QC, clear carton information, and a shipping plan that matches the current Seller Central requirements. Since Amazon changed several FBA prep and barcode rules in 2026, sellers should confirm the current Send to Amazon instructions before every shipment rather than relying on an old packing guide.

For a normal wholesale order, a packing mistake may affect:

one customer.

For an FBA program, the same repeated mistake can affect:

hundreds of units.

So the factory needs to understand not only:

what garment to make,

but also:

how each sellable variation needs to arrive.

Table of Contents

• Why Is Selling Clothing on Amazon Different?
• Which Clothing Products Work Best on Amazon?
• How Do You Reduce Size Returns Before Production?
• How Should Clothing Be Labeled and Packed for FBA?
• How Do You Ship Clothing From China to Amazon Warehouses?
• What MOQ, Cost, and Timing Should You Expect?
• Conclusion

---

Why Is Selling Clothing on Amazon Different?

Amazon clothing production combines:

apparel manufacturing

with:

inventory-control requirements.

Each sellable size and color combination needs to be correctly connected to its Amazon variation, inventory identifier, unit preparation, and shipment plan. A garment can be perfectly sewn and still create an FBA problem if the wrong barcode, size, color, or packaging is applied.

Size and Color Variations

Amazon allows apparel products to use:

parent-child variation relationships.

For clothing, common variation themes include:

• Size
• Color
• Size/Color

Amazon's Product Variations Overview[^1] explains that the parent ASIN is not itself a physical sellable item.

The individual:

size/color combinations

are child products.

For example:

Black / Small
Black / Medium
Black / Large
Grey / Small
Grey / Medium
Grey / Large

are individual sellable variations within the family.

That is why manufacturing and packing data needs to distinguish:

every variation clearly.

Do All Apparel Units Need an FNSKU?

No.

This is one of the biggest changes to understand in 2026.

Amazon's current FBA Barcode Requirements[^2] state that every unit sent to FBA needs a barcode for tracking.

But that barcode may be either:

• An eligible manufacturer barcode such as UPC or EAN
• An Amazon barcode such as an FNSKU

depending on the product and seller.

March 31, 2026 Barcode Change

As of:

March 31, 2026,

Amazon changed its FBA barcode requirements.

Brand owners can continue using eligible manufacturer barcodes without additional stickers when Amazon's requirements are met.

Resellers are required to use:

Amazon barcodes

even when a manufacturer barcode exists.[^2]

So the factory should not assume:

“Every Amazon order needs FNSKU.”

The seller should confirm:

which barcode type Seller Central requires

for the actual ASIN and shipment.

Then send the correct files to the factory.

---

Amazon Stopped FBA Prep and Labeling Services in 2026

This is especially important for new Amazon sellers.

Amazon's FBA Prep Service notice[^3] states that beginning:

January 1, 2026,

Amazon stopped offering prep and item-labeling services for FBA shipments in the U.S. store.

That means products need to arrive:

properly prepared and labeled.

The work can be completed by:

• The seller
• The manufacturer
• A third-party prep provider

For a clothing brand manufacturing in China, it often makes sense to complete much of this work:

before the cartons leave the factory.

That can include:

• Folding
• Unit packaging
• Size identification
• Barcode application
• Carton sorting

provided the seller supplies the correct Amazon requirements and label files.

Why This Matters for the Factory

Previously, some sellers assumed:

Amazon could fix prep problems after arrival.

That is no longer a good operating model.

Amazon states that shipments created after the 2026 change must arrive:

prepared and labeled

before entering its facilities.[^3]

So the factory packing stage has become even more important.

---

Which Clothing Products Work Best on Amazon?

There is no universal clothing category that:

“works best.”

Amazon demand depends on:

• Price
• Competition
• Brand
• Reviews
• Advertising
• Product quality
• Listing quality

But from a manufacturing perspective, some products can be:

easier to standardize.

Products with clear size systems, repeatable construction, stable fabrics, and straightforward customer expectations are usually easier to manage as FBA inventory than highly individualized or difficult-fit garments.

Hoodies

Hoodies can work well because the fit often has:

some ease.

But define:

• Chest
• Length
• Sleeve
• Shoulder

clearly.

Do not rely only on:

S / M / L.

Sweatpants and Joggers

Important measurements include:

• Waist
• Hip
• Rise
• Inseam
• Leg opening

Post-wash length is especially important.

T-Shirts

T-shirts are simple structurally.

But customers still notice:

• Fabric weight
• Length
• Width
• Shrinkage
• Neck shape

Shorts

Specify:

inseam

and:

rise

clearly.

A customer expecting:

5-inch shorts

will not be happy with:

8-inch shorts.

Leggings

Fit is more sensitive.

Important factors include:

• Waist tension
• Hip fit
• Rise
• Inseam
• Opacity
• Fabric recovery

Do not advertise:

“squat-proof”

only from GSM or fabric composition.

Matching Sets

Sets can be attractive because they create:

a complete outfit.

But you now have to control:

top size + bottom size + color + packaging.

If the set is sold as:

one unit,

make sure both pieces are physically packed together and that the barcode identifies:

the complete sellable set.

Relaxed Fits

Relaxed products may tolerate more:

body-shape variation

than highly tailored products.

But this does not mean:

oversized = fewer returns.

An oversized garment can still receive complaints if:

• Length is unexpected
• Sleeve is too long
• The listing is unclear

Accurate product information still matters.

---

How Do You Reduce Size Returns Before Production?

Fit-related returns are one of the biggest operational risks in:

online apparel.

Customers cannot try the garment on before ordering.

So your manufacturing data and listing information need to agree.

The goal is not simply to make the garment “true to size.” There is no universal true-to-size measurement. The goal is to create a defined size standard, manufacture consistently to it, explain that fit accurately to customers, and maintain the same approved pattern across production and reorders.

Start With a Base Size

For example:

Medium.

Approve the actual:

• Chest
• Length
• Shoulder
• Sleeve

or:

• Waist
• Hip
• Rise
• Inseam

depending on the product.

Then grade from:

the approved base.

Body Measurements vs Garment Measurements

These are not:

the same thing.

Body measurement

describes the customer.

Garment measurement

describes the finished clothing.

For example:

Customer chest: 100 cm
Garment chest circumference: 118 cm

The difference creates:

ease.

So the listing should make clear what:

the chart represents.

Fit Samples

Fit the sample on:

a real person

where practical.

For bottoms:

• Walk
• Sit
• Squat

For tops:

• Raise arms
• Bend
• Layer if relevant

Shrinkage

A garment that fits correctly:

before washing

but becomes noticeably shorter after washing can still create:

returns and bad reviews.

So check:

post-care measurements.

Reorders

Use the approved:

• Pattern
• Measurement chart
• Fabric specification
• Construction
• Shrinkage standard

as the reorder reference.

But do not assume:

a reorder is automatically identical.

New:

fabric lots,

trims,

or production conditions

still need QC.

---

What Does AQL 2.5 Actually Mean?

The original draft said:

“Our QC team checks measurements during final inspection to AQL 2.5.”

That mixes two different concepts.

AQL is primarily:

an acceptance-sampling system.

The current ISO 2859-1:2026[^4] provides sampling schemes indexed by:

Acceptance Quality Limit

for lot-by-lot inspection.

The 2026 edition replaced the old 1999 edition.

AQL 2.5 Does Not Mean

“2.5% defects are allowed.”

That is a common misunderstanding.

An AQL-based inspection needs other decisions, including:

• Lot size
• Inspection level
• Sample size
• Defect classification
• Acceptance/rejection numbers

Measurements Are Separate

Measurement checks should compare selected garments against:

the approved measurement chart and tolerances.

For example:

Chest: ±1 cm
Length: ±1 cm

if those are the agreed project tolerances.

So QC can use:

AQL-based attribute sampling

for relevant defects

and:

measurement inspection

against agreed specifications.

They are related quality tools.

They are not:

the same thing.

---

How Should Clothing Be Labeled and Packed for FBA?

This is where factory organization matters.

Before packing begins, the seller should provide the final variation list, barcode type, barcode files, Amazon shipment requirements, and any additional brand or retail labeling instructions.

Build a Packing Matrix

For example:

Color	Size	Seller SKU	Barcode file	Qty
Black	S	HD-BLK-S	File A	20
Black	M	HD-BLK-M	File B	40
Black	L	HD-BLK-L	File C	40
Grey	S	HD-GRY-S	File D	20
Grey	M	HD-GRY-M	File E	40
Grey	L	HD-GRY-L	File F	40

That gives the packing team:

one master reference.

Scan Instead of Guessing

If possible:

scan the unit barcode.

Do not rely only on:

visual label recognition.

Black M

and:

Black L

may look almost identical once folded.

---

What Are Amazon's Current Apparel Prep Requirements?

Amazon's current Prep Guidance[^5] includes specific guidance for apparel and textile products.

For apparel requiring this prep, Amazon directs sellers to use protective packaging such as:

transparent polybags

or appropriate shrink wrapping,

with the unit:

• Properly secured
• Protected from dirt or damage
• Carrying the required warning where applicable under the current prep guidance
• Having a barcode that remains scannable

The exact prep instruction for a SKU should still be checked in:

Send to Amazon.

Amazon's own guidance states that sellers remain responsible for determining the preparation needed for their products.

Why You Should Not Copy an Old Polybag Specification

Amazon requirements can change.

So do not permanently print:

millions of bags

based only on an old blog article.

Before production:

check the current Seller Central requirement.

Barcode Position

The barcode needs to remain:

scannable

after final preparation.

That means the factory needs to think about:

the complete unit packaging,

not only:

the garment label.

Branded Packaging

You can still have:

brand identity.

For example:

• Printed bag
• Branded sticker
• Hangtag

But the package still needs to meet:

Amazon's functional requirements.

---

What About Main Labels and Care Labels?

Amazon preparation does not replace:

normal apparel labeling requirements.

Depending on the destination market, clothing may still need legally required information relating to:

• Fiber content
• Country of origin
• Responsible company
• Care

The factory should distinguish:

Amazon inventory labels

from:

garment compliance labels.

They solve:

different problems.

---

Should Every Color and Size Be Packed in a Separate Carton?

Not necessarily.

Operationally, separating SKUs can sometimes simplify:

counting and receiving.

But there is no universal rule that:

one size/color must always equal one carton.

Follow the:

current shipment plan.

If mixed-SKU cartons are permitted for the shipment:

the packing information needs to be accurate.

Carton Control

Each carton should have a factory packing record showing:

• Carton number
• SKU
• Color
• Size
• Quantity

If mixed:

list every SKU accurately.

This gives the seller another way to investigate:

receiving differences.

---

What Are Amazon's Current FBA Carton Limits?

For standard inbound FBA shipments, Amazon's current box guidance states that boxes generally must not exceed:

36 × 25 × 25 inches

and:

50 lb total weight,

unless the box contains an individual oversized item that itself exceeds those limits.[^6]

Amazon documents these requirements in its FBA box requirements[^6].

That is another reason the factory should receive:

the current shipment instructions

before final carton packing.

Do Not Build Cartons From Memory

Amazon can update:

• Packing rules
• Shipment workflows
• Label requirements
• Placement options

So final cartonization should follow:

the actual shipment created in Seller Central.

---

How Do You Ship Clothing From China to Amazon Warehouses?

There are several possible flows.

Option 1: Factory → Amazon FBA

The factory completes:

• Production
• QC
• Unit prep
• Barcode application
• Carton packing

Then the freight provider collects:

the shipment

and delivers according to:

the Amazon shipment plan.

Option 2: Factory → U.S. 3PL → Amazon

This gives the seller:

more control.

The 3PL can:

• Receive bulk stock
• Inspect
• Re-label if needed
• Repack
• Send smaller replenishments to Amazon

This can reduce the risk of putting:

all inventory

into FBA at once.

Option 3: Factory → Seller Warehouse → Amazon

Some brands first receive the stock themselves.

This provides:

maximum physical control

but adds:

another domestic handling stage.

---

What Is the Manufacturer's Role?

The factory can prepare:

the physical goods.

For example:

• Correct garment
• Correct size
• Correct color
• Correct unit packaging
• Correct supplied barcode label
• Correct carton content

But the seller controls:

the Amazon seller account.

That means the seller normally needs to provide:

• Seller SKU information
• Barcode selection
• Amazon-generated labels
• Shipment-plan instructions
• Destination details

The factory should not guess these.

---

EXW and FOB Are Not FBA Delivery Services

This distinction matters.

Under Incoterms®:

EXW

or:

FOB

describes part of the commercial delivery arrangement between buyer and seller.

It does not automatically mean:

the goods are delivered into Amazon inventory.

The ICC Incoterms® 2020 rules[^7] define delivery obligations, allocation of costs, and transfer of risk between seller and buyer.

For example:

FOB Shenzhen, Incoterms® 2020

and:

delivery to a U.S. Amazon fulfillment center

are not the same service.

The full FBA logistics chain may still involve:

• Freight forwarder
• Export
• Import customs clearance
• Duties
• Domestic transportation
• Amazon receiving requirements

If DDP or another door-delivery service is quoted:

define exactly what is included.

---

Air or Sea Freight?

Air Freight

Useful for:

• Launch inventory
• Small quantities
• Urgent restocks

Advantages:

faster transit.

Disadvantage:

higher freight cost.

Express

Can work for:

samples

or:

small urgent replenishments.

But sending commercial inventory by courier can become:

expensive.

Sea Freight

Useful for:

larger planned orders.

Advantages:

lower freight cost per unit in many cases.

Disadvantages:

• Longer transit
• More planning

Sea to 3PL, Then Amazon

This can be useful when the seller wants to:

control FBA inventory levels.

Rather than shipping:

2,000 garments

directly into Amazon,

the brand may keep part at:

a 3PL

and replenish gradually.

---

What MOQ, Cost, and Timing Should You Expect?

Amazon does not change:

our garment manufacturing MOQ

by itself.

The MOQ comes from:

the product and material.

Typical Starting Points

Product	Typical starting point
Hoodie	Around 50 pcs/color
Sweatshirt	Around 50 pcs/color
Matching set	Around 50 sets/color
Jacket	Around 50 pcs/color
T-shirt	Around 100 pcs/style
Shorts	Around 100 pcs/style
Leggings	Around 150 pcs/style

These are:

our practical starting points.

They are not Amazon rules.

Size Distribution

If you order:

100 pieces,

do not automatically divide:

20 / 20 / 20 / 20 / 20.

Use expected demand.

For example:

S — 10
M — 30
L — 35
XL — 20
2XL — 5

may be more realistic for one brand.

Another brand may be completely different.

Use:

your own sales data

once available.

Unit Prep Cost

FBA-related preparation may add cost for:

• Barcode application
• Special bags
• Size stickers
• Additional sorting
• Carton sorting
• Scanning
• Custom packing requirements

Quote these from:

the actual prep plan.

Do not assume:

one fixed FBA surcharge.

Packaging

A standard factory polybag may already satisfy the required program.

Or the project may require:

different packaging.

Check first.

Barcode Changes

If the seller sends new barcode files:

after packing begins,

the factory may need to:

• Reopen bags
• Remove labels
• Re-label
• Repack

That creates:

labor

and:

risk.

So lock barcode data before:

mass packing.

---

Sample and Bulk Timing

For standard garment programs:

Sampling: approximately 5–14 days

is a normal range for us.

Standard bulk production is generally:

approximately 20–30 days

after:

• Final sample approval
• Deposit
• Materials ready

Custom:

• Fabric
• Washing
• Special decoration
• Packaging

may extend the timeline.

Amazon Lead Time Is Longer Than Factory Lead Time

Do not confuse:

production complete

with:

inventory available for sale.

After production you may still have:

• Final QC
• Packing
• International freight
• Customs
• Domestic delivery
• FBA receiving

So the complete replenishment cycle can be:

much longer

than the garment-production time alone.

---

Do Not Wait Until Inventory Hits Zero

Suppose your product sells:

10 units per day.

You have:

200 units left.

That sounds like:

20 days of stock.

But if your complete manufacturing and replenishment cycle is longer than:

20 days,

you are already late.

A better reorder system considers:

• Daily sales
• Existing inventory
• Factory lead time
• Freight
• Amazon receiving
• Safety stock

before the product reaches:

zero.

---

What Should You Check Before the Final FBA Shipment?

Use a final checklist.

Product

• Correct style
• Correct color
• Correct size
• Correct measurements
• Correct branding

Legal Garment Labels

• Main label
• Size
• Fiber / origin information as applicable
• Care information as applicable

Amazon Identification

• Correct child variation
• Correct barcode type
• Correct barcode file
• Barcode scans

Unit Prep

• Correct bag or packaging
• Bag properly closed
• Required warning present where applicable
• Barcode remains scannable

Cartons

• Correct quantity
• Correct SKU content
• Correct box labels
• Correct carton weight
• Correct carton dimensions

Documents

• Packing list
• Commercial invoice
• Freight instructions

Then seal:

the cartons.

---

Green Flags and Red Flags

Green flag	Red flag
Asks for your final variation/SKU matrix	Packs from garment names only
Confirms barcode type before labeling	Assumes every item always uses FNSKU
Knows Amazon changed prep rules in 2026	Assumes Amazon will prep units after arrival
Scans barcode labels	Checks labels only visually
Separates size measurement QC from AQL sampling	Says AQL 2.5 means 2.5% defects are acceptable
Keeps approved patterns for reorders	Recreates sizing from memory
Tests shrinkage before bulk approval	Checks measurements only before washing
Packs according to current Seller Central instructions	Uses an old FBA packing checklist forever
Tracks carton contents accurately	Mixes SKUs without documentation
Checks carton weight and dimensions	Packs every export carton the same
Explains EXW/FOB separately from FBA delivery	Says FOB means delivered to Amazon
Plans reorder lead time	Waits until FBA inventory reaches zero

Conclusion

Selling apparel through Amazon FBA starts:

before the goods reach Amazon.

It starts:

during product development.

First:

build the size system.

Define:

• Fit
• Measurements
• Tolerances
• Shrinkage expectations

Then approve:

the sample.

Next:

build the variation structure.

Every sellable:

size/color combination

needs to correspond correctly to:

the Amazon inventory data.

Then confirm:

the barcode.

Do not automatically tell your manufacturer:

“Put FNSKU on everything.”

In 2026, Amazon's barcode rules depend on:

the seller

and:

product eligibility.

Brand owners may be able to use:

eligible manufacturer barcodes.

Other products or sellers may require:

Amazon barcodes.

Follow what Seller Central requires for:

the actual shipment.

Then prepare:

the physical unit.

Since January 1, 2026:

Amazon no longer offers FBA prep and item-labeling services in the U.S. store.

That makes factory-side preparation even more important.

Fold the garment correctly.

Package it correctly.

Make sure the:

barcode scans.

Make sure:

Black / M

is not packed as:

Black / L.

Then inspect:

the garment.

Use approved:

measurements

for measurement QC.

If you use an AQL-based acceptance-sampling plan:

use it correctly.

AQL 2.5 does not simply mean 2.5% defects are allowed.

Then build:

the cartons

from the current Amazon shipment requirements.

Check:

dimensions.

Check:

weight.

Check:

contents.

Finally:

plan the full logistics cycle.

Factory production may take:

20–30 days.

But your inventory still needs:

international transport,

customs,

domestic delivery,

and:

Amazon receiving.

That is why successful FBA apparel brands do not only ask:

“How fast can the factory make my next order?”

They ask:

“When do I need to place the next order so the inventory is available before I run out?”

The best Amazon FBA clothing program connects:

product development + sizing + QC + labeling + packing + shipping + reorder planning.

When those systems work together:

the factory is not simply making clothing.

It is preparing:

inventory that is ready for the next stage of Amazon fulfillment.

---

Footnotes & References

[^1]: Amazon Seller Central — Product Variations Overview. Amazon explains parent and child ASIN relationships and notes that clothing products may use variation themes such as size and color. Each sellable size/color combination can exist as an individual child product within the variation family.
https://sellercentral.amazon.com/help/hub/reference/external/GH3RMVV3ZDYRRQ5S

[^2]: Amazon Seller Central — FBA Barcode Requirements. Amazon requires a barcode for every unit sent to an FBA fulfillment center. As of March 31, 2026, eligible brand owners can continue using manufacturer barcodes under Amazon's requirements, while resellers are required to use Amazon barcodes.
https://sellercentral.amazon.com/help/hub/reference/external/G201100910
https://sellercentral.amazon.com/gp/help/external/G200141480

[^3]: Amazon Seller Central — FBA Prep Service. Amazon discontinued FBA prep and item-labeling services in the U.S. store beginning January 1, 2026. Products now need to be prepared and labeled before being sent into FBA through the seller, manufacturer, or another service provider.
https://sellercentral.amazon.com/help/hub/reference/external/G201023020

[^4]: International Organization for Standardization — ISO 2859-1:2026, Sampling Procedures for Inspection by Attributes — Part 1: Sampling Schemes Indexed by Acceptance Quality Limit (AQL) for Lot-by-Lot Inspection. The third edition was published in January 2026 and replaced the 1999 edition. It defines AQL-indexed acceptance-sampling schemes and should not be interpreted as a simple percentage of allowable defects in a shipment.
https://www.iso.org/standard/2859-1

[^5]: Amazon Seller Central — Prep Guidance / Prepare Your Products for FBA Shipping. Amazon provides product-specific preparation guidance for FBA inventory, including apparel and textile products, and states that the seller remains responsible for adequate and compliant product preparation and barcode visibility.
https://sellercentral.amazon.com/help/hub/reference/external/F4G7547KSLDX2KC
https://sellercentral.amazon.com/gp/help/external/G201021850

[^6]: Amazon Seller Central — FBA Box Requirements. Amazon's current inbound-box guidance generally limits standard FBA cartons to 36 × 25 × 25 inches and 50 lb total weight, except where an individual oversize item itself exceeds those limits. Sellers should still follow the instructions generated for the actual shipment.
https://sellercentral.amazon.com/help/hub/reference/external/200141510

[^7]: International Chamber of Commerce — Incoterms® 2020. ICC's Incoterms rules define delivery obligations, allocation of costs, and transfer of risk between buyers and sellers. EXW or FOB does not by itself mean delivery into an Amazon fulfillment center.
https://iccwbo.org/business-solutions/incoterms-rules/incoterms-2020/