http://www.cactuscanyon.com/bungee-dog-leash.htm Bungee dog training leashes are the highest quality dog leashes available anywhere. They come in 3 and 6 foot lengths for all sizes of dogs. These Ben-gee dog leashes use bungee cord to help easily train dogs without strain or stress on the dog or owner. Bungee dog training leashes have models available for dogs up to 25 pounds, 45 pounds, 65 pounds and over 65 pounds. The training leash makes it very easy to train a dog to walk on a leash.