The lead is also available in 20 inches, and 4 feet lengths. 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. * LEAD WITH PURPOSE with the Viper Biothane Dog Leash. This robust webbed dog lead is specially coated to emerge from even the swampiest environments, dry and smell-free, without loss of flexibility. !!! NOT A CHEW PROOF MATERIAL, NOT TO BE USED FOR TIE OUT !!! * EXCELLENT PERFORMANCE: Biothane dog leash will not get stiff during extreme cold and will not melt during extreme heat. * MORE DURABLE than leather dog leashes, the Biothane dog leash boasts a flexible substrate core bonded with a waterproof coating, perfect for environs where strength and cleanliness are crucial. * SOLID BRASS HARDWARE is ideal for working dogs in law enforcement or military operations. Will not rust. * Made in the USA from the highest quality materials, our Biothane Dog Leads come in 26 different colors, and 3 widths, ensuring that there is a suitable lead for any dog and every task.