You’ve sourced your product, built your listing, and you’re ready to send inventory to Amazon. But one wrong move in preparation—a missing label, an overweight box, or non-compliant packaging—and your shipment could be rejected, delayed, or hit with penalty fees that wipe out your profit margins.

In short: preparing products for FBA shipment in 2026 is a five-step process—understand Amazon’s prep requirements, apply correct FNSKU labels, package products to Amazon standards, pack and label cartons correctly, and create your shipping plan in Seller Central—with the critical caveat that Amazon no longer offers prep services, so 100% of the responsibility now falls on you.

This guide walks you through everything you need to know to prepare your products for FBA shipment in 2026—and avoid costly mistakes.

The 2026 Reality: Amazon No Longer Preps Your Products

This is the single most important change for FBA sellers in 2026. Effective January 1, 2026, Amazon permanently discontinued all FBA prep and item-labeling services in the United States. This means:

  • Amazon will no longer label your products with FNSKU barcodes

  • Amazon will no longer poly-bag, bubble wrap, bundle, or box your items

  • Amazon will no longer fix mislabeled or improperly packaged products

Every single unit must now arrive at the fulfillment center fully prepped, labeled, and ready to ship to customers. The same change took effect for European stores on July 1, 2026.

Why This Matters for Your Bottom Line

Amazon didn’t just stop doing prep—it dramatically raised the penalties for getting prep wrong. Inbound defect fees now range from $0.32 to $5.72 per unit. A single shipment of 500 units with a labeling defect can now cost $300 or more in penalty fees alone—before you’ve accounted for the delay in getting that inventory live and selling.

The message is clear: prep accuracy is no longer optional—it’s survival.

Step 1: Understand Amazon’s Product Preparation Requirements

Before you touch a single unit, you need to know what Amazon requires. Requirements vary by product category, so check Amazon’s official guidelines for your specific product type.

General Preparation Standards

All products must meet these baseline requirements:

RequirementDetails
SealingProducts must be completely sealed with no loose parts
ProtectionItems need sufficient protection against damage during transit
Packaging materialsUse appropriate materials for your product type
New conditionAll products must be new and properly sealed

Acceptable Packaging Materials

  • Bubble wrap

  • Full sheets of heavy-weight kraft paper

  • Inflatable air pillows

  • Polyethylene foam sheeting

Materials to Avoid

  • All types of packing peanuts (including biodegradable)

  • Crinkle wrap

  • Shredded paper

  • Styrofoam

  • Thermocol chips

These materials can cause safety issues at fulfillment centers and lead to delays or rejections.

Category-Specific Requirements

Different product categories have specific prep requirements:

CategorySpecial Requirements
LiquidsMust be securely sealed and double-bagged; consistent with Amazon’s Dangerous Goods policy
Fragile itemsMust be clearly marked and packaged with adequate cushioning
Food itemsMust be free from pests, dust, and contamination; expiration dates required
Hazardous materialsMust follow Amazon’s Dangerous Goods policy
BundlesMust be clearly marked as “sold as set” with “套装销售”“套装勿拆”
PolybagsMust have suffocation warnings if over a certain size

Step 2: Apply Correct FNSKU Labels (Unit Level)

Proper labeling is the most critical—and most commonly botched—step in FBA preparation.

The 2026 Barcode Rule Change

Effective March 31, 2026, Amazon’s barcode requirements changed significantly:

Seller TypeRequirement
Brand owners (Brand Registry)Can continue using manufacturer barcodes (UPC/EAN) without stickers
Resellers (not in Brand Registry)Must use Amazon FNSKU labels on every FBA unit

If you’re a reseller, every single unit must have an Amazon FNSKU label applied.

FNSKU Label Best Practices

  • Clearly visible and scannable – Labels must be easy for Amazon’s scanners to read

  • Cover original barcodes – Place FNSKU labels so they cover any existing manufacturer barcodes (UPC/EAN) to avoid confusion

  • Not on seams or edges – Labels on curved surfaces or seams may not scan properly

  • Applied to each individual unit – Every unit needs its own FNSKU label

Labeling Workflow

  1. Purchase a GS1 UPC and create your listing

  2. Decide your barcode preference and generate FNSKU labels in Seller Central

  3. Apply FNSKU labels at the factory or prep center (unit level)

Pro tip: If you’re shipping from China, have your supplier apply FNSKU labels at the factory before the goods leave. This saves time and reduces errors.

Step 3: Package Products to Amazon Standards

Once your units are labeled, they need to be packaged correctly.

Product-Level Packaging

Each individual unit must be packaged to survive the journey from the fulfillment center to the customer. Key requirements:

  • Products must be completely sealed with no loose parts

  • Items need sufficient protection against damage during transit

  • Use appropriate packaging materials for your product type

For fragile or glass items: Even if you’re handling prep yourself, these must be packaged in advance with adequate cushioning.

Common Prep Tasks

Depending on your product, you may need to:

  • Polybag items (with suffocation warnings if applicable)

  • Bubble wrap fragile items

  • Bundle multiple items together (clearly marked as a set)

  • Apply expiration date labels (for consumables)

Step 4: Pack and Label Cartons Correctly

After individual units are prepped and labeled, they go into shipping cartons.

Carton Weight and Size Limits

LimitRequirement
Maximum weight50 lbs (23 kg) for standard items
Maximum dimensions36in x 25in x 25in
Minimum dimensions15.2 cm x 10.0 cm x 2.5 cm

Heavy Package Labeling

Boxes that weigh more than 50 lb (23 kg) must have “Team Lift”/“Heavy Package” safety labels displayed on the top and all four sides—five labels in total.

Carton Content Information

Providing detailed box contents helps speed up receiving:

  • Include quantity of each ASIN per box

  • Provide accurate box weight and dimensions

  • Add expiration dates if applicable

  • Note: If you skip this step, manual processing fees will apply

FBA Box ID Labels

Print your FBA box ID labels from Seller Central and apply them to each carton. Apply labels to all sides of the carton so they’re visible regardless of how the carton is stacked.

Critical: Your FBA delivery must match Amazon’s receiving instructions before the freight leaves your facility.

Step 5: Create Your FBA Shipping Plan

The final step happens in Seller Central before your goods ship.

Create the Shipment

  1. Go to Inventory > Manage FBA Shipments in Seller Central

  2. Create a new shipping plan

  3. Enter carton-level information (count, weight, dimensions)

  4. Print your FBA box ID labels

Verify Before Locking

Before you lock your FBA shipping plan, confirm:

  • Carton count

  • Total units

  • Ship date realism

  • Prep and labeling responsibility

  • Inbound limits

Common FBA Preparation Mistakes to Avoid

These are the most frequent errors that cause delays, rejections, and penalty fees:

MistakeConsequence
Using non-compliant packing materialsShipment rejection or delays
Forgetting to cover original barcodesScanning errors, rejection
Skipping box content informationManual processing fees
Sending boxes that exceed weight limitsRejection or additional fees
Using insufficient packaging protectionDamaged goods, customer complaints
Wrong box labelsReceiving delays
Missing box content infoSlow receiving
Overweight cartonsRejection
Shipment plan mismatchFull shipment rejection
Inaccurate unit countsReceiving discrepancies
Incorrect measurement units (cm vs in, kg vs lb)Inflated quotes and receiving issues

Should You Use a Third-Party Prep Service?

With Amazon’s prep services gone, you have two options: do it yourself or outsource to a professional prep center.

Self-Prep: When It Makes Sense

Self-prep is workable and often cost-effective early on. You have total control, but you also own quality, speed, space, and compliance.

Minimum setup for self-prep:

  • Thermal printer and backup rolls

  • Barcode scanner

  • Heat sealer or bagging machine

  • Polybags in various sizes

  • Dunnage and sturdy cartons

  • Digital scale

  • A posted checklist

The 500-unit benchmark: The 500-unit mark is often where prep begins competing with your actual job—running and growing your brand.

Professional Prep Centers: When to Outsource

Professional prep centers typically charge $0.50 to $0.80 per unit—a fraction of what a single defect fee incident would cost.

Benefits of a prep center:

  • Removes repetitive labor

  • Improves speed and accuracy

  • Reduces compliance mistakes

  • Manages replenishment needs

  • Handles multi-channel complexity

  • Gives you time back to focus on growth

How to evaluate a prep-savvy 3PL:

  • Reliable 1–3 day turnaround

  • Clear Amazon-specific experience

  • Strong communication

  • Ability to flex at peak volume

  • Transparent pricing

Quality Control Checklist

Before any carton ships, run through this QC checklist:

Unit-Level QC

  • Inspect for damage, leaks, or broken seals

  • Apply FNSKU label correctly (scannable, covering original barcode)

  • Verify label placement (not on seams or edges)

Bundle-Level QC

  • Confirm bundled items are correctly assembled

  • Mark bundles clearly as “sold as set”

Carton-Level QC

  • Verify carton weight is under 50 lbs (or labeled “Team Lift”)

  • Confirm carton dimensions are within limits

  • Apply FBA box ID labels to all sides

  • Include accurate box content information

  • Ensure cartons are sturdy and properly sealed

Final Check

  • Verify carton count matches Seller Central

  • Confirm total units match shipping plan

  • Double-check delivery address

Frequently Asked Questions

What are the FBA preparation requirements in 2026?

Products must be completely sealed with no loose parts, packaged with sufficient protection, labeled with correct FNSKU labels (for resellers), and packed in cartons under 50 lbs with proper labeling. Amazon no longer offers prep services—sellers are 100% responsible.

Does Amazon prep products for FBA in 2026?

No. Effective January 1, 2026, Amazon permanently discontinued all FBA prep and labeling services in the US. The same change applies to European stores from July 1, 2026.

What labels do I need for FBA shipment?

You need FNSKU labels on every individual unit (if you’re a reseller not in Brand Registry) and FBA box ID labels on every carton. Heavy boxes over 50 lbs also need “Team Lift” labels.

What packaging materials does Amazon prohibit?

Amazon prohibits packing peanuts (all types), crinkle wrap, shredded paper, styrofoam, and thermocol chips.

How much does FBA prep cost with a third-party service?

Professional prep centers typically charge $0.50 to $0.80 per unit. Costs vary by product type, complexity, and services required (labeling, polybagging, bubble wrapping, bundling, etc.).

What happens if my FBA shipment isn’t prepared correctly?

You may face inbound defect fees of $0.32 to $5.72 per unit, shipment rejection, return at your expense, disposal fees, or significant receiving delays.

Do I need to cover original barcodes with FNSKU labels?

Yes. FNSKU labels must be placed so they cover original barcodes (UPC/EAN) to avoid scanning errors at the fulfillment center.

Final Thoughts

Preparing products for FBA shipment in 2026 is no longer something you can “figure out later.” With Amazon’s prep services gone and penalty fees rising sharply, accuracy is everything.

The good news? The process is straightforward if you follow the steps:

  1. Understand Amazon’s prep requirements for your product category

  2. Label every unit correctly with FNSKU (and cover original barcodes)

  3. Package products to Amazon’s standards

  4. Pack and label cartons correctly (weight limits, box labels, content info)

  5. Create your shipping plan in Seller Central before shipping

Whether you choose to prep yourself or outsource to a professional prep center, the key is consistency and attention to detail. One missed QC check on a 500-unit shipment is the difference between a smooth check-in and a four-figure defect fee.

Your action plan:

  • Map every active SKU against Amazon’s current category-specific prep requirements

  • Set up a dedicated workspace with the right materials and equipment

  • Create a QC checklist and follow it for every shipment

  • If volume exceeds 500 units/month, evaluate whether a prep center makes financial sense


Amazon’s prep requirements are updated frequently. Always check Amazon’s official FBA Prep Requirements, Packaging & Prep Guidelines, and Barcode Requirements pages before shipping