PREMIUM MATERIAL, EXCELLENT WORKMANSHIP - The hands free dog leash is made of anti-tear nylon that can withstand pulling from energetic dogs, medium and large breeds. The cross-stitching lines are wear-resistant to ensure the hands free leash will last for years. Heavy duty metal clasps with 360° rotation increase durability and makes the dog waist leash tangle free. Durable belt buckle locks tightly and securely SHOCK ABSORBING BUNGEE LEASH - The Hands free dog leash can absorb shock and pull force from dogs up to 150lb. With the handsfree leash being pulled, elastic bungee tension goes higher. It is “stop pulling” warning, thus your dog will be gradually trained. The dog running leash will reduce stress and muscle strain on you and dog. Your waist won’t get injured. Our waist leash for dog walking is 51” and extends up to 76” that is long enough to provide adequate room DUAL PADDED HANDLES FOR BETTER CONTROL - The waist leash for dog walking has 2 handles with soft neoprene padding