Lifeunion Mesh Padded Nylon Webbing No Escape Pet Sports Dog Tag Collar and Convenient Retractable Leash for Walking Material: Made of wear-resistant weatherproof breathable nylon and high quality hard-wearing metal buckles and grommets. Design: With a retractable leash and soft padded handle built into the collar,contain a ID Card,D-ring and reflective stitching. Benefits: Gives dogs owners a new feeling of control when they are walking their dogs off leash,make you and your pets more closer. Size: Three size available, Adjustable neck size,M: 15.7-19.7 in,L: 20-23.6 in,XL: 24-27.6 in. Provides confident security as well as all-day comfort.Please measure your pets carefully for making the right purchase.