Beautiful Wolf is easy to operate, just push the thumb on the button and push to lock and shrink the dog leash. It allows you to freely control the dog's movement while on walk. You can enjoy the freedom of movement with your pet. Art Print could extends up to 118 or 197 , giving the dog enough freedom to walk ahead a little without going too far away from you. Suitable for pets 53 lbs and under. Wolf has an exquisite handle that prevents your hands from being suddenly and strongly strained, making you feel comfortable and convenient. Easy to wear and remove. The handle is made of durable non-slip plastic. Designed and printed in California.