Labels, UPCs, etc. and labelling your product for FBA


This lesson shows you the easiest way to have your products labeled appropriately for FBA. First, let’s define a few terms:

A barcode is a way to represent any number in the form of vertical lines of varying thickness. Barcodes can be read by an optical scanner, like you see at the grocery store. People sometimes confuse the term “barcode” with either “UPC” or “FNSKU” (both covered later), but a barcode can be either one of those.

The Universal Product Code (UPC) is a unique 12-digit number with matching barcode that is used to identify products that are used in trade. Products listed on Amazon require a UPC so they can be entered into the inventory system, and you will enter this information during the inventory setup process.

Each product in each Amazon market (e.g.,,, also has its own Amazon Standard Identification Number (ASIN). You will see this code (e.g., B00004SPZV) in the product URL as well as on your Amazon inventory screens. Amazon automatically generates this code for you when you set up your product.

Amazon fulfillment centers also use a Fulfillment Network Stock Keeping Unit (FNSKU)

to identify each unique product, and this is represented by a barcode that can be scanned at FBA warehouses. Amazon automatically generates this code for you when you set up your product for FBA. When labeling your product for shipment to FBA, be sure to affix the FNSKU label/sticker to your product.

FBA Labeling Requirements

Because labeling requirements vary by category and can also be done by yourself or by Amazon, we recommend you do the following to ensure you have no issues:

■ Incorporate your UPC into the design of your product’s packaging, even if it is not currently required.

■ Use Amazon’s “Label Service” to print and apply the necessary “FNSKU” sticker to your products. There is a small cost for this, but it is worth it to get up and running quickly. Once you’ve been selling for a while, you can contact Amazon to determine whether the UPC is sufficient for your product.

This is the best and fastest way to get your product into Amazon FBA fulfillment centers without encountering any problems. Once you’ve been selling for a while, you can make changes and streamline your process.


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