... image good smoothness and whiteness We provide our customers premium thermal rolls,the raws we made by ourselves with our ... rolls products,so we can guarantee our products quality.Our thermal rolls have the following features1.Specia protective coating, less ... (tightness) of paper roll, jam free; 5.Back of paper printable for advertisement. Product Specification:Width: 57mm, 80mmDiameter: 30mm, 40mm, ...