393.7 x 39 inch heat-resistant aluminum coating foam sound deadener and heat dampener Water Resistant Insulation - Protect your vehicle from rusting Workable Thickness for the maximum effectiveness: Abahub 0.236 inch aliminum sound dampening can be cut with scissors easily, works great over 0.079 inch butyl vibration deadening mat to reach the maximum heat insulation and sound dampening. Fire Resistant Hood & Firewall Insulation : Abahub 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. What You Get - a lightweight and folded 32 sqft soundproofing door nosie dampening mat, that's more than enough for your car, truck, rv or any other vehicle Abahub aluminum coating foam deadening material is great heat insulator and sound suppressor, which reduces the vibrations of the vehicle, rattling of loose metal parts and other outside elements including the wind, decreases road noise and improves the internal audio quality inside of vehicles. The insulation of each part of the vehicle has its own results and contribution to overall outcome. Insulate all parts of car is recommended to reach the maximum soundproofing effect. We recommend that as a firewall insulation is best choice.