Retractable dog straps that extend to 16.5 feet. The rope is durable and not easy to break. Comfortable grip design in line with the comfortable grip design, long time holding hands won't be tired.The product adopts non-toxic plastic shell and environmental protection, nylon rope, metal lock, bending smooth, no noise, not easy to jam.The brake button is more user-friendly. Big button to brake, small button to stop braking. Convenient for telescopic adjustment, storage and traction.