These leashes give you the possibility to let your pup enjoy the outdoors and have some freedom, all the while you are comforted knowing that you are still connected to your pup. They are 20ft. long and 3/4 inch wide, making it light weight easy to use. They come with a clip to keep your biothane line organized and tangle free! These are also remarkable for training purposes. 100% waterproof and wear-proof!