50mm by 25mm direct thermal barcode label sticker is used for 1D and 2D QR bar code labels and stickers. it does not require ribbon because it's a direct thermal paper, it's sticky so makes it easy to stick on objects and items where required.used in supermarkets,pharmacy shops,shopping malls and retail shops to generate barcodecompatible with thermal printers that do not require ribbons for printing like X-P 365B Barcode printer, X-P 470B Barcode printer etc.one roll as seen on the image contains 1000 label stickers.