This foam can be fitted to your car to reduce vibrations and bumps. Reduce ambient wind, road noise and engine noise. It can also be used as a heat insulator to dissipate heat. Keeping your car cooler in the summer and warmer in the winter. Material: Plastic Rubber Dimensions: 30cm * 50cm * 6mm (Approx.) Color: Black Quantity: 9pcs Package Contents: 9 * Soundproof Insulation Foams Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.