Package ContentYou will receive 2pcs dog doorbells, with bells and the beige rope. This loud dog bell is easy to catch dog's attention, perfect to use as the puppy training tool. Premium Material6 bells are made of metal, not easy to rust both indoors and outdoors. The rope is made of the beige cotton rope, good-looking and not easy to break, easily matching with your home decorations. Adjustable LengthYou can adjust the length according to your needs with the practical round clip. Buckles on the end of the dog doorbell can be hung to different door handles, even the sliding glass door handle, easy to hang up and take down. Easy TrainingWhen your dog touches the doggy training bells, open the door, step outside with it and give another treat. Finally, put a leash on your puppy and take it through the steps. Guide your pup to where you want it to potty and once the deed is done, reward with another treat and loads of praise. Wide ApplicationOur dog doorbell is an amazing tool to help you train your dogs develop good habits, like potty training, outside training, conversation training and more!