Features: Thermal Paper Roll Size: 79.5 * 30mm / 3.1 * 1.2in; 3 rolls/pack, each roll is about 8m / 26.2ft. Perfect for Poooli L3 thermal printer. Made of high quality thermal paper, clear printing effect. BPA-free thermal paper, non toxic and harmless, durable and environmental, safe using. The printed content can be stored for 10 years. 10-years paper is helpful for the long-term preservation of data. Wide range of applications, can be used to print wrong questions, journals, notes, memos, school timetable, calligraphy practice, etc.