Get your FNSKU
Seller Central → Manage Inventory → product dropdown → "Print item labels". Copy the FNSKU code (X001XXXXX).
Generate barcode here — free
Paste FNSKU above, select CODE128, click Generate. Download SVG for label printing.
Print at 1×2 inch minimum
One label per sellable unit. Cover existing barcode completely. Ship to FBA warehouse.
Amazon Barcode Requirements
Amazon FBA Label Size Guide
| Label Type | Minimum Size | Format | Notes |
|---|---|---|---|
| FNSKU Unit Label | 1 in × 2 in (25×50mm) | CODE128 | One per sellable unit |
| Shipping Box Label | 4 in × 6 in (100×150mm) | Seller Central | One per shipping box |
| Suffocation Warning | 1 in × 1 in (25×25mm) | Text | Poly bags >5 inch |
| Expiry Date | 1 in × 2 in (25×50mm) | Text | Food, health, cosmetics |
| Set / Bundle | 1 in × 2 in (25×50mm) | Text + barcode | "Sold as set" |
FAQ
What barcode format does Amazon FBA require?
Amazon FBA requires FNSKU labels in CODE128 format on every physical unit. For the product listing, you need a GS1-registered UPC (USA) or EAN-13 (EU), or a GTIN exemption.
How do I get my FNSKU from Amazon?
Seller Central → Manage Inventory → product dropdown → "Print item labels". FNSKU format: X001XXXXX or B0XXXXXXXX.
What size should Amazon FBA labels be?
FNSKU unit labels: minimum 1×2 inch (25×50mm). Shipping box labels: 4×6 inch. Download SVG for perfect quality at any size.
Is this barcode generator free?
Yes. No signup, no watermark, no limit. PNG, SVG and PDF all free.