Features: 1.These printing papers use thermal technology, inkless printing, clean and tidy, convenient and compact. 2.The exterior of these thermal papers has been coated with a film to keep it beautiful for a long time and is more suitable for high temperature and special environments. 3.This thermal paper has high definition and is suitable for high-definition printing of text and photos. 4.Durable high?definition printing paper, with a special coating on the exterior to achieve the effects of waterproof, oil?proof and friction?proof, it can be used in various places. 5.Thermal paper material, durable, sticking without leaving print, and widely used. specification:Item Type: Printing Paper Material: Thermal paper Function: Thermal label paper, clear handwriting, fine paper quality, and waterproof effect : Approx. 57 x 30mm / 2.2 x 1.2in PackageList:3 xPrinter Paper NotePlease store and use this product in an environment with an ambient temperature of 10?30 and a relative humidity of 30?70%. Avoid direct exposure to moisture, heat, high pressure, sunlight and heat sources. Avoid scratches and severe friction.