Paper size: Width: 2 1/4\"(57mm), length: 65\' (19.8m), Solid inner core: 1/2\" (12.7mm), Paper weight: 48g,50 rolls in total Thermal Pos Paper,Each paper roll has a red warning line. All thermal paper is made of pure wood pulp. LINT FREE receipt paper, Premium paper deliver crisp, clear images Top quality POS thermal receipt paper