[Specification] - Material: Rubber Foam; Working Temperature: -30 to +100 (-22 to +212); Size: 3meter x 0.5meter x 5 millimeter / 9.84ft x 1.64ft x 0.2in. (Length*Width*Thickness) [Material] - Made from rubber foam and aluminum foil, with good heat, freezing, and rust resistance. [Aluminum Foil] - The embossed aluminum foil is waterproof and will not be affected by humidity and moisture. [Easy to use] - Only need tapes to seal it after installing.(tape is not included here, aluminum foil tape is suggested) [Application] - Widely used for the insulation of color steel tile building roof, wall, HVAC ducts, pipes, and so on.