Features: 15.7 x 9.8 inch heat-resistant aluminum coating foam sound deadener and heat dampener Water Resistant Insulation - Protect your vehicle from rusting Fire Resistant Hood & Firewall Insulation : aluminum coating fire-resistant insulation provides a heat barrier, which blocks the noise coming out of your engine; prevents the heat from the engine from damaging the paint on the hood. Easy to work on your car, truck, rv, or any other vehicle.