TWCUSEP 200mil (6MM) (24 x 10') Car Sound Deadening Reflective Foam Mat, Butyl Automotive Sound Deadener, Audio Noise Insulation and Dampening Heat Barrier Reflective Foam Core w/ Self Adhesive Car Heat Insulation Mat- Aluminum Foil Car Heat Shield Insulation Mat can reflective engine,header,exhaust heat and effectively blocks 97% of the suns radiant heat transfer reducing air conditioning energy consumption. 1/4inch (6mm) Nominal Thickness Heavy Duty Strong Sound Deadener Performance - Closed Cell foam Car Noise deadening proof insulation Mat excellent sound absorption reduces wind noise,road noise,engine noise etc improving driving comfort. Good Vibration Resistant Reduce noise- Automotive Sound Proof Heat Insulation Materials suitable for various car models can also reduce car's vibrating and rattling extending the life of the parts in the car. Waterproof and Weatherproof / Sound and Heat Insulation / Puncture, Crush, and Heat Resistant (ASTM Class 1 Class A Fire Heat Rated) Brand Name Trade Winds Manufacturer US Energy Item Dimensions L x W 16 L x 48 W