1. Strong acoustic insulation and absorption performance, thermal insulation, reducing energy consumption with high thermal insulation performance. 2. Strong self-viscous performance. Specification: Size and weight: Thickness: 200*50*1cm | 78.74*19.68*0.39 inches; Weight: about 500g or Mince: 200*50*0.5cm | 78.74*19.68*0.19 inches; Weight: approximately 450g Material: aluminum fiber + silent cotton Product list: 1 * Automotive sound shock absorber Notes: Due to lighting effects and angles of Filming, there is a difference in color in the product, please understand. Due to manual measurement, there is a tolerance in the size of the product. See more details on the product 1. Noise reduction The sound filter of motor vehicles can reduce the transmission of road tires and wind noise to the vehicle, improving driving comfort. 2. The soundtrack carpet can effectively shade the sun and block heat, with excellent thermal insulation performance to ensure that your car stays cool in summer. 3. Superior in quality Thermal insulation of motor vehicles, high quality aluminum fiber selected and soundproofing cotton, with light, waterproof, dust and durable. 4. Easy to install soundproofing for cars is easy to cut and install. It has a self-adhesive support, which is not only waterproof and dust, but also has strong grip. 5. The thermal shield of motor vehicles can be used for doors, roofs, floors, hoods, engine compartments, firewalls, chassis, trunks, trunk lids, etc.