Thermal King, 2 1/4" x 85' Thermal Paper, 100 Rolls (50 rolls /Case x 2) 2 Boxes of 50 Thermal Paper Rolls (Total 100 count) Roll Size: 2 1/4 inch x 85 feet Each Paper Roll has an end warning signal Top quality thermal receipt paper delivering clear image Inner Diameter core: 8/16 inch; 48-55GSM paper