DescriptionHighest Quality: Durable nylon material with extra loud stainless steel bells. The training bell is made of stainless steel, ABS plastic and has a cute paw print. Painted finish and prevents rust. The ringtone is loud and clear, making your life more colorful.Adjustable Length: Our dog doorbell comes with snap buttons that easily adjust the length between 30 and 33. Works on different types of doorknobs, handles or hooks you want to attach it to. Easy to assemble, can be hung at any level to fit puppies of all heights.Perfect for Dogs and Cats: This palm-sized pet training with diameter. Teach your pet baby, dog, kitten or others to press the center button with their paw or nose to ring, which is easily done even by small pets.Ideal Training Gadget: Ideal training gadget for treat games, potty training, house training and housebreaking for your pets, and it can also be desk bells when you are in shops, hotels, pubs, restaurants, etc.