The package ntains 3 Teflon sheets and 3 rolls heat resistant sublimation e. Teflon Sheet size:12"*16"(30*40CM),the thickness is 0.12mm,thicker Teflon ating. The width of the heat resistant e is 10mm (2/5inch),it is 33 meters (108 feet) long. This is a very good e width for use,not too wide, and not too narrow.