48, For Valve Type Universal, Standards OSHA, Market Industrial, Reusable Yes.Insulated Throw Blanket, Cover Type Throw Blanket, For Fitting Type Straight Pipe Sections, Jacket Material Teflon Coated Fiberglass Cloth, Insulation Material Ceramic Fiber, Maximum Ambient Temperature 2,000 Degrees F, Cover Width 4 ft, Cover Length 12 in, Thickness 1 in, Color Green, Fastening System Magnets, For Minimum Circumference 0 in, For Maximum Circumference 7 in, R Value 0.