FNSKU Labeling Basics
What an FNSKU is, when it's required, and how to avoid labeling mistakes.
An FNSKU is an Amazon-specific product identifier used to track seller inventory in FBA.
Some products can use manufacturer barcodes, while others require FNSKU labels. Sellers should confirm their barcode setting and label requirements before sending inventory.
Important points
- FNSKU labels must match the correct SKU
- Existing barcodes may need to be covered
- Labels should be scannable
- Label placement matters
- Bundles may require unique labels
- Incorrect labels can cause inventory issues
Seller tips
Do not assume the supplier knows your FBA labeling requirements. Provide exact labels and instructions.
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