Aumo-mate Auto Heat, Sound and Noise Insulation Padding/ Car Hood Turbo Exhaust Muffler Cotton /Floor Insulation Heat Shield Engines Mat Pad Main MaterialCotton Blends, Insulation Cotton. Automotive heat, sound and noise barrier is a thermal and acoustic insulation. It is waterproof and dust proof, Double side tape design for easily to install. Protects engines, electrics and paintwork from the heat caused by turbos and exhausts. Size: about 50cm wide, 38cm long, 2cm thick.