3 LEVEL ADJUSTABLE LENGTH - This improved design gives you 3 levels of length adjustment compared to common two-length bells. This allows for easy length adjustment at the bottom of the door or wall depending on the size of your dog or the height of your door. the design is easy to assemble and can be hung at any level to accommodate puppies of all sizes. QUALITY BELLS - Large, thick-walled bells are made from durable metals that offer superior sound quality. Beautiful Sounding Bells 7 large, extra loud yet easy-to-listen bells to answer your pet’s natural call wherever you are in the home. The tasteful silver coating design of the bells keeps them bright and the jingle sounds are easy on your playful dog’s ears. DURABILITY: This dog training bell and belts are custom made and thoroughly tested for sturdiness. The belt is made from a heavy duty nylon material which lasts longer than other cheap alternatives. It hangs easily around any doorknob with a loop that snaps with a reinforced
