Specifications: Color: Black Quantity: 9pcs Material: Rubber Foam Thickness: 10mm/0.39in Type: Soundproof Cotton Size: 30cm/11.81in x 50cm/19.68in (L x W) Typical Temperature Stability: -40C to +100C Features: - Universal fits for most car models. - 100% ne.w with good performance. - Made of high-quality material, waterproof, dustproof, odorless, and practical to use. - Excellent sound absorption properties & good vibration resistance, it can reduce ambient wind, road noise, and engine noise. - With adhesive cotton insulation, it can be installed in any part of the car, such as doors, roofs, floors, hood, trunk room, trunk lid, etc. - It can be used as thermal insulation in dissipating heat, reducing energy consumption of air conditioning, saving fuel, and making your car cooler in summer and warmer in winter. Package includes: 9x Car Sound Proof Insulation Foams