Beastrom retractable dog leash is well built and durable. With a strong nylon leash that extends up to 16ft, you can rest assured knowing your dog can roam freely without having to worry about their safety. Our leash is strong enough to hold onto dogs up to 110lbs. Here are some tips for better and safer use of the Beastrom dog leash: 1. It is best to train your pets before using the telescopic leash, A: Impulse control - It will make sure your dog does not experience violent behavior and move around you before you gives a instruction. B: Let the dog become familiar with the handle of the telescopic leash. This training is mainly to prevent the dog from being scared when you accidentally drop the leash on the ground. 2. Never touch the extended leash to control it. The metal clasp might hurt you when it returns back at a high speed. 3. Don?t let children use the retractable pet leash to walk the dog. Children?s are not strong enough, which will endanger both the child and dog. 4. The retractable dog leash is best to used with a dog harness. Otherwise, the ropes sudden stop will cause damage to the dog's neck, head, or joints when they run at full speed 5. Check the retractable leash regularly, especially the condition of the rope, the effectiveness of the rope exit and the buckle device. Product Features Premium quality built using sturdy ABS plastic casing. Perfect for medium to large dogs, up to 110lbs in weight. One button lock and lock release mechanism Worry-free waste bag included! Available in Blue and Red Color Options