OLLIN Retractable Dog Leash,16 Feet Professional Pet Belt,Ribbon Leashes for Medium & Large Dogs suppliers,One Button Lock ON/OFF walking&Running Pet supplies for dogs leashes:dog walking leash for for Small & Medium & Large multiple Dogs One Button Brake & Lock Safety System: The reliable lock button allow you to adjust the leash's length. Retractable belt dog leashes: Extends up to 16 Feet,tangle free,ensure that you could full control your dogs Leash Material: Stronger & Durable Nylon,Dog leashes supports up to 50 Pounds Comfortable & Safety: Ergonomic TPE Anti-slip Handle design,not hurt your hand,and the collar leash not hurt your dogs neck when they're walking & running madly.