Pliable for tight bends Trim to desired length Five popular diameters to choose from Designed to slide over wires cables and hoses Heat Sheath provides the ultimate protection from extreme heat as well as chemical and oil spills dirt grease and road grime. Constructed from a high temperature fabric and bonded to an aluminized material to reflect heat. Heat Sheath is fireproof and withstands direct heat up to 500°F.