Car Sound Damping Mat Car Heat Insulation Cotton Excellent Sound Absorption For Car Roof Rack For Car Door Feature:1. It can be used for thermal insulation, heat dissipation, reducing air conditioning energy consumption and fuel saving.2. It can be installed on any part of the car, such as doors, roof, floor, hood, trunk, trunk lid, etc.3. Excellent absorption sound and good vibration resistance can reduce ambient wind, road noise and engine noise.4. It can evenly distribute the heat of the motor and avoid overheating of the engine cover.5. Easy to use, tear off the double-sided tape from the insulation cotton, cut the shape with scissors and paste it. Specification:Item Type: Car Sound Damping MatMaterial: PP+PETColor: WhiteSize: Approx. 0.5x0.8m/19.68x31.5inThickness: 15mm/0.59in fluffy StateMounting Car UniversalPlacement on Vehicle: Trunk, Tailgate, Roof, Interior Wall, Door