The lead is also available in 10 feet , 15 feet and 33 feet . Our Biothane Working Lead is created from a high-quality Biothane waterproof coated webbing. A trusted name in national sports leagues as well as international military and space organizations, Biothane has a flexible substrate core that is bonded with a durable waterproof coating for protection. It is durable, cleanable, and has proven durability in applications where safety, cleanability, flexibility, and strength are crucial. Features top grade solid brass hardware. Available in 23 different colors. Available in 3/8", 1/2", 5/8", and 3/4" widths, 20 feet long.