
Barcode basics ·
Barcodes for product variants: one number per size, colour and pack
Barcodes for product variants made simple: give each size, colour and pack its own number, and build a matrix so the till always rings up the right one.
Articles in Barcode basics from the PurchaseBarcode blog.

Barcodes for product variants made simple: give each size, colour and pack its own number, and build a matrix so the till always rings up the right one.

Barcode label size and placement in millimetres: the smallest print that still scans, the margin each side, and the spot on the pack a till scanner reaches.

One number per thing a customer can put in a basket. Here is how a new D2C brand counts its sizes, colours and packs before it buys a single barcode.