Braided Expandable Sleeving, 0.25 Inches (6.4 mm) Nominal Inside Diameter, 0.125 Inches to 0.375 Inches (3.2 mm to 9.5 mm) Nominal Diameter Range, Flame Retardant Polyethylene Terephthalate, Black with White tracer to identify flame retardant material. 1000 Foot (304.8 Meters) Reel. Temperature rated for use up to 257 degrees Fahrenheit (125 degrees Celsius). Sleeving provides continuous abrasion resistance for wires, cables and tubing. The highly flexible open weave will not trap heat or humidity. Lightweight durable protection. Allows for use with irregular shapes. Self extinguishing meets UL 1441 VW-1 flammability. UL Recognized. CSA Certified, Compliant with U.S. and European passenger rail standards.