Pipe and Heater Band Insulation, Fits Valve Size 0 In. to 2 In., Length 13 In., Width 6 In., Insulation Material Ceramic Fiberglass, Jacket Material PTFE Coated Fiberglass Cloth and Silica, Fits Pipe and Heater Band Type Universal, Thickness 1 In., Approx. ''R'' Factor .48, Max. Temp. 900 Degrees F, Color Green