AUTOMATIC RETRACTABLE ROPES: The handle of the dynamic retractable rope is made of strong and non-slip material. The rope can be retracted automatically, which allows you to control your dog easier at any time, protecting the safety of pets or other pedestrians. TANGLE-FREE LEAD: The double line rope is designed to 360¡ã rotating, which can be passively adjusted when walking the dog. Even if the dog is naughty, there will be no tangle or mess, you can walk your dog with confidence. THE RIGHT LENGTH: The total length of the automatic retractable lead is 5m, and the length of the two wire ropes is 50cm and 70cm. A reasonable length design can ensure that the dog gets not much but enough space for freedom. REFLECTIVE DESIGN: The ribbon on the dog chain is embedded with reflective threads, which will reflect light in the dark, and the wire rope is also reflective, which will make your dog be seen more visibly. HEAVY-DUTY & DURABLE MATERIAL: The retractable dog lead is made of high-quality nylon straps and sturdy steel wire rope with bite resistance. The excellent material makes the automatic dog leash more durable and has a weight-bearing capacity of up to 200kg.