80mm x 79 meters Thermal Paper Rolls can be used for thermal printers and in devices such as POS printers, cash registers, and credit card terminals. It’s different from bond paper since it is coated with a chemical that changes color when exposed to heated print heads. Therefore, it does not require ink to produce an image. Key Feature of 80 mm x 60 meters Thermal Rolls : 80 mm ( 3 1/8′′) width x 60 meters ( length) Made from 55gsm thermal paper,other 58gsm,60gsm for option Bright,glossy