Insulated Pipe Jacket Width 4 In. Length 50 In. Thickness 1/2 In. Insulation Material Ceramic Fiberglass Jacket Material Non-Stick Impregnated Fiberglass Cloth Fits Max O.D. 12 in to 14 In. Application High Temperature Applications for Personnel Protection Insulation and Faster Startup Times Temp Rating 900 Degrees F Includes Strap and Buckle System