Point:1.Strong sound insulation and absorption performance,heat insulation, damping and 2.Easily installs,fit all kinds of vehicle type.Self sticking backing and Waterproof,dustproof.3.The surface high-fiber cloth is fiberglass. Heatproof.Block transmit sunlight, engine, ex-haust pipe heat to the cab, reduce air conditioning energy consumption, saving fuel4.Slow down the car paint ageing.Because of hot weather, the front outer cover through the direct sun, high temperature inside and outside the engine, accelerated paint aging5.Keeps Heat In-Cold Out in the Winter, Keeps Cold in-Heat Out in the Summer.