Placement: Hood Placement: Trunk Type: Insulation Pad Features: Universal fits for most car models Placement on 1: Suitable for door, roof, floors, hood, firewall Placement on 2: Suitable for chassis, trunk room, trunk lid etc Auto Car Firewall Heat Shield Insulation Sound Deadener Mat Universal fits for most car models Suitable for door, roof, floors, hood, firewall, chassis, trunk room, trunk lid etc. Excellent sound absorption properties & good vibration resistance Strong heat insulation performance No powder & odorless, safe to use Waterproof & dustproof, practical to use With self sticking tape at the back for easy installation How to install: 1.First clean the where you want to paste. 2.Make insulation materials and sheet metal firm fit and play best adhesive, damping performance 3.Do not cover the chassis wiring or air holes when the installation 4.You can use adhesive tape to strengthen connections effect 5.If the temperature is low, you could heat with a hair dryer to soft,