thermal paper: 1.made of 100% wood pulp, topping quanlity. 2.including two kinds of thermal paper, thermal fax paper for facsimile. thermal receipt paper for cash register and atm image stability time of thermal fax paper are 5 years while thermal receipt paper are 2 years. we can deliver to our customers jumbo rolls and small finished rolls, the regular grades include: 1) 55, 56,58 gsm thermal fax paper 2) 55,58, 60 gsm thermal receipt paper