uxcell 236mil 10.76sqft Car Engine Floor Cargo Area Sound Deadener Heat Insulation Dampening Mat 40"x40"

Make insulation materials and sheet metal firm fit, and play best adhesive, damping performance. Keeps Heat In-Cold Out in the Winter, Keeps Cold in-Heat Out in the Summer.In the winter, the engine temperature is very high, but outside is very low when driving, which make car parts damaged easier. The surface high-fiber cloth is fiberglass. Heatproof. Block transmit sunlight, engine, exhaust pipe heat to the cab, reduce air conditioning energy consumption, saving fuel. 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 aging. You can also use on car roof floors, hood , firewall, chassis, trunk room, trunk lid and so on.. Do not cover the chassis wiring or air holes.