10mm Car-Sound Proofing Deadening Insulation Heat Pads Foam Mat Specifications: Size Approx. (L x W): 200cm x 100cm (21.53sqft) Thickness Approx.: 10mm Recommended Install Temperature: -10°C ~ +60°C Resistance Temperature Range: -40°C ~ +149°C Product material: Aluminum foil + rubber-plastic cotton Colour: Silver Package Included: 1/2/3 Roll X 100CM X 200CM X 10MM Sound Heat Deadener Or With Rollors FEATURE: Extremely Light-weight & Flexible Material High noise reduction & thermal insulation properties High temperature resistance .