The new seamless lamination of a high-temperature fabric to a highly-reflective foil is the makeup of Thermo-Sleeve, which provides protection from radiant heat for hoses and wires. Thermo-Sleeve's ultra light-weight construction provides more insulating than traditional bulky rubber-coated fiberglass. The aluminized sleeving reflects over 90 percent of radiant heat, and is fireproof and oil resistant. Thermo-Sleeve is packaged in 3 or 12-foot lengths, and is sold in five different inside diameter sizes. Thermo-Sleeve is also available in custom widths and lengths for special applications Details: 50 Foot x 2 Inch Inside diameter Seamless Fireproof and Oil resistant Reflects over 90 percent of radiant heat Maximum Ambient Temperature Up To 2000 Degree F Silver