How to label products for Amazon FBA

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Labeling products correctly for Amazon FBA (Fulfillment by Amazon) is critical to ensure that your items are processed accurately and efficiently at Amazon’s fulfillment centers. Labels are used to identify and track your products within Amazon’s system. Here’s a step-by-step guide to labeling your products for FBA:


1. Understand Labeling Requirements

Amazon uses barcodes to track products. Your products need one of the following labels:

  1. Amazon FNSKU (Fulfillment Network Stock Keeping Unit):
    • Unique to each product in your inventory.
    • Required for all items shipped to FBA unless you are using manufacturer barcodes.
  2. Manufacturer Barcode (UPC, EAN, or ISBN):
    • Can be used if you enroll in the Stickerless, Commingled Inventory program.

2. Generate Product Labels

  1. Access FNSKU Labels in Seller Central:
    • Log in to your Amazon Seller Central account.
    • Go to Inventory > Manage FBA Inventory.
    • Select the products you’re shipping.
    • Click “Print Item Labels” to generate the FNSKU labels.
  2. Download the PDF File:
    • Amazon provides the labels in a PDF format. Ensure the file matches your printer’s settings.
  3. Use Compatible Printers:
    • Use a laser printer or a thermal label printer for high-quality and scannable barcodes.

3. Label Printing Specifications

  • Label Size: Use standard label dimensions like 1″ x 2-5/8″, 1.25″ x 2.375″, or 2″ x 3″.
  • Clarity: Labels must be printed clearly without smudges or fading.
  • Scannability: Ensure barcodes are sharp and unobstructed.

4. Apply Labels to Products

Placement Guidelines:

  1. Cover Existing Barcodes:
    • If your product already has a manufacturer barcode (UPC, EAN), place the FNSKU label directly over it to prevent scanning errors.
  2. Avoid Seams and Curves:
    • Do not place labels on corners, seams, or curved surfaces. Use flat areas for best results.
  3. Keep Labels Accessible:
    • Ensure the label is visible and not hidden under shrink wrap or packaging.

Multiple Units in One Package:

  • For bundles or multi-packs, use a single FNSKU label on the exterior of the package.
  • Mark the package as “Sold as Set” or “Do Not Separate” if applicable.

5. Use Polybags for Specific Products

Certain items, such as clothing or items with exposed parts, must be packed in polybags.

  • Polybag Labeling:
    • Affix the FNSKU label on the outside of the polybag.
    • Use suffocation warning labels if the bag is larger than 5 inches.

6. Amazon Labeling Service

If you don’t want to label your products yourself, Amazon offers a labeling service:

  1. Enable Amazon Labeling Service:
    • During the shipment creation process, select “Amazon Labeling Service” under prep options.
    • Amazon will label your products for a small fee per unit.
  2. Verify Eligibility:
    • Items must meet specific criteria for the service. Check guidelines in Seller Central.

7. Double-Check Label Accuracy

  1. Verify the FNSKU:
    • Ensure each product has the correct FNSKU label corresponding to its listing.
  2. Inspect for Damage:
    • Confirm that labels are undamaged, scannable, and securely attached.

8. Compliance with Amazon’s Guidelines

Amazon has strict rules regarding product labeling:

  1. Adhere to Prep Requirements:
    • Follow guidelines for products that need additional preparation, such as liquids, fragile items, or sharp objects.
  2. Label Placement:
    • Avoid placing labels on areas that might be damaged during unpacking or handling.

9. Common Mistakes to Avoid

  1. Wrong Barcode Placement:
    • Ensure the barcode is visible and not obstructed.
  2. Poor Print Quality:
    • Use high-quality printing to avoid scanning issues.
  3. Duplicate Barcodes:
    • Avoid having multiple scannable barcodes on a single product.

10. Test Scannability

Before shipping, test the scannability of your labels using a barcode scanner or a smartphone app to ensure they work properly.


By carefully labeling your products according to Amazon’s FBA guidelines, you reduce the risk of errors, delays, or additional fees. Proper labeling ensures your inventory is processed smoothly and reaches customers without issues.