PREMIUM QUALITY: Our dog bells for potty training are good hanging dog doorbells for training your puppy. They are made of sturdy nylon to prevent jamming and withstand strong drags! Loud enough: 6 oversized metal bells and metal inner ball make a clear and loud chime that other rooms can easily hear even if the dog touches it lightly. ADJUSTABLE: Our puppy potty training bell has an adjustable height to fit any door handle. Dog doorbells are easy to teach puppies and older dogs to jingle! Convenience: Get this and you will be supported by a good helper to train pets of all ages simply, effectively and happily. product description easier communication The dog no longer has to bark, scratch or use more invasive methods when the dog is out or on the toilet. The rope is made of nylon material with excellent abrasion resistance and resilience. No matter how badly the dog damages it, it won’t break. The connection part of the bell to the belt is thicker and lasts longer. The bell jar is