Description This is a car noise absorbing foam.Car noise engineering can effectively eliminate and block the engine noise, vibration, resonance of front door of car body, the friction sound produced by the air resistance on the road surface during driving and so on. Give you a quiet driving space, greatly improve the comfort of driving. Soundproof engineering not only soundproof, but also effectively blocking the high temperature generated by engine work, improve the air conditioning effect, make you feel cool. Features - Color: As shown. - Material: White cotton. - Size: 80x50cm / 31.49x19.68inch. - This item not only reduces heat loss but has also reduced noise levels inside the car. - It absorbs resonant noise to improve the performance of headphones and speakers! - It also can be used in any surface you want to kill the noise. - The sound deadener material allows you to deal with both, cold and the heat. This is especially important in hot climate areas. - Give you a quiet driving space, greatly improve the comfort of driving.Package list: 1 x Auto Sound Insulation Cotton Car Sound Absorbing Heat Insulation 80x50cm