Simple Operation: One-button control button to relax/reduce cord length, simple and convenient. High Quality: The dog chain is made of ABS plastic, flat pull belt made of high-quality polyester, flexible and wear-resistant, pull-resistant and tear-resistant. A chrome-plated metal hook is used, which is not easy to rust and is durable. No Tangles: The sturdy nylon backrest adopts a new mouth design. Powerful leveling spring and anti-roll rope, the dog rope can be smoothly retracted to any angle, so your pet has enough space to enjoy it freely. Wide Applicability: Suitable for all kinds of dogs and other medium and large sized animals. Pets can be used for walking, working out, and jogging outside.