Features: Once fitted this sound deadening mat will improve the ride quality of your vehicle by reducing engine noise, tire noise, road noise, and wind noise and will dramatically improve overall vehicle refinement and sound quality. As well as improving vehicle acoustics this good performance enclosure will ensure your vehicle stays cool in the summer and warm in the winter, making your journey more comfortable. Installation: 1. Remove the door panels. 2. Install the screws in their original place, they will be easy to find when assembling, avoiding the holes to be covered. 3. With roller tools, insulation materials and sheet metal will fit tightly and play the best adhesive, damping performance. 4. Depending on the effect you want to choose the construction program, a single soundproof / damping plate or a single heat and sound insulation cotton or both. Notice: Please clean the surface you want to paste. Do not cover chassis wiring or air holes when installing. Do not be applied directly to heat source including: exhaust pipes, mufflers or hot pipes. Specification: Condition: Brand New Color: Black Material: Cotton Blends Size: 100x60cm / 40x24(L*W) Thickness: 5mm / 0.20 Push Wheel Dimension: 18.5x5cm / 7.28x1.97(L*W) Package Includes: 1 x Sound Heat Insulation Mat 1 x Roller Push Tool 4 x Car Disassembly Installation Tool