Polyolefin thermoplastic elastomer(TPO) composit leather roll(coating roll) has the advantages of enviroment friendly and abrasion and heat resistance. It has been used widely in the field of car inner decoration, i.e. instrument board skin, inner decoration skin,in-car flooring, car rear tank flooring, foot pad material. Its regular thickness is 0.2-3mm with width 1000-2000mm.