TPU particles as the backing material, produced by a special process, has the function of automatic adsorption foaming, good stability, excellent weather resistance and yellowing resistance, strong toughness, good wear resistance, ageing resistance, resistance to climate, environmental non-toxic, resistance to impact, scratch automatic repair function, etc., with can make the car paint after cut off from the air, the acid rain, anti-oxidation, resistance to scratch and persistent to protect the paint of the car.Paint protective film has excellent uv blocking function, can effectively improve the paint anti-uv aging ability, not to change color, yellow.After tearing off the paint, the protective film does not hurt the original car paint, no residual glue, to ensure the car paint as bright as new.Film light permeability, strong waterproof, high temperature resistance, scratch resistance, corrosion resistance, green environmental protection.