Auto Car Firewall Heat Shield Insulation Sound Deadener Mat Universal fit for most car models Suitable for door, roof, floors, hood, firewall, chassis, trunk, trunk lid, etc. Excellent sound absorption properties and good vibration resistance Strong thermal insulation performance powder and free, safe to use Waterproof and dustproof, convenient to use With self-adhesive adhesive on the back for easy installation Material: Fiberglass Color: Silver Dimension: 50 * 200cm (approx.) How to install: 1. First clean the area you want to stick on. 2. Make insulating materials and a firm fit of the sheet metal the best adhesive, damping performance 3. Do not cover the chassis wiring or vents during installation 4.You can use adhesive to strengthen the connection effect 5.If the temperature is low, you can heat it with a hair dryer to make it fluffy, then peel off the wax paper and stick it on Tips: It should not be used as a heat source such as hot exhaust pipes, mufflers or turbo pipes.