Using the industry-leading high-density sound-absorbing cotton, with multi-layer composite structure, it can effectively absorb and block all kinds of noise. Accurately measure the area size and shape of the car model for application. Then, tailor the sound insulation scheme for the different car models to ensure that the sound insulation material fits perfectly to all sections of the car that the insulation is required to be applied.From the engine roar to the tire noise and wind noise, all-round noise reduction, so that you can enjoy tranquility in the car.