Sell MEMORY FOAM Wave Sound Insulation Cotton Pad Acoustic Heat Noise Dampening Sponge Foam Soundproof Sound Proof best price

Specifications: Material: Polyurethane memory foam Size :67cm x 50cm x 20mm Color: Black Profiled foam (egg crate foam) Non-toxic, tasteless, environmental protection, indoor noise / sound absorption, ideal reflective materials Profiling increases the amount of sound absorbing surface.It absorb the audio frequency and lower the noise caused by reflection and echo. Profiled foam (egg crate foam) absorb the sound waves after they reflect inside the foam. Its interior is full of small voids and semi-open pore structure can absorb a lot of energy incident on the acoustic attenuation of sound waves play a role, reducing chamber reflected sound interference and response, improve the purity of sound. Features: -100% Brand new with good performance. -Made of high quality material, waterproof, dustproof, odorless and practical to use. -It can be used as thermal insulation in dissipating heat, reduce energy consumption of air conditioning, save fuel and make your car cooler in summer and warmer in winter. -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. -Universal fits for most car models.