Aluminum leaf sound insulation of the car thermal and sound insulation cotton pads cotton pads universal flattering impermeable to dust for car Description: Product name: Thermal insulation cushion of thermal insulation Car Material: Silent aluminum fiber cotton, rubber plastic Size (weight): 50cm x 200cm x 10mm (500g), 50cm x 200cm x 5mm (450g), 50cm * 200cm * 3mm (300g) , 50cm * 200cm * 6mm (350g), 50cm * 200cm * 10mm (500g), 100cm * 40cm * 10mm (250g), 100cm * 40cm * 5mm (100g), 100cm * 50m * 10mm (200g), 50cm * 80cm * 5mm (140g) Specifications: 1. Car flashy thermal insulation and sound insulation cushion, with high thermal insulation performance. 2. Suitable for most models. 3. Suitable for doors, roofs, floors, hoods, firewall, chassis, chests, trunk lids, etc. 4. Has excellent acoustic absorption properties and good resistance to vibrations. 5. No powder, odorless, sure to use. 6. Waterproof and dust, practical. 7. There is self-adhesive ribbon on the back for easy installation. How to install: 1. First clean the surface where you want to stick it. 2. Make sure that the thermal insulation stamp and the metal plate are firmly attached to exercise good grip and good depreciation performance. 3. Do not cover the chassis wiring or the air holes during installation. 4. You can use adhesive tape to strengthen the connection effect 5. If the temperature is low, you can heat it with a hairdryer to soften it, then tear the waxed paper and paste it. Lake advice: It cannot be used in places where sources of Heat such as exhaust pipes, silencers or hot turbo pipes are used. The package includes: 1 * Thermal and sound insulation cushion Notes: like the monitor Present different color differences, please refer to the real product to find out the color of the product. Product sizes are measured manually, there are certain errors, please refer to the real product.