Cool It Thermo Sleeve provides protection from radiant heat for hoses, fuel lines, wiring etc. It is made up of a highly reflective foil which is laminated onto a high temperature fabric. This ultra light weight construction provides more insulating than a traditional bulky coated fibreglass heat sleeve. It can reflect up to 90 percent of all radiant heat, and is fireproof, as well as being oil resistant.Thermo Sleeve is available in 3 or 12 foot lengths, and various different inside diameters, depending on what application it is being used for.