High quality and safe material: The pet training bell is made of galvanized iron which is very strong and resistant to pressure and heavy loads. Not easy to rust or deform.Quantity and size: The diameter of the bells is 7cm and the height is 4cm. You will receive 1 dog bell. The doorbell is very suitable for communication equipment or interactive toys for cats and dogs. Innovative design: The doorbell for dogs is decorated with cute black dog paw print, rounded shape to avoid scratching pets. , beautiful color that catches the attention of cats and dogs 【Flat and wide top】The dog communication device is flat and wide easy to use. No need to install it, just put the dog bell in any flat place. Easy to teach your puppy or kitten to press the flat button with his paw or nose to ring company and can also be used as an office call bell for shops, restaurants, bars and hotels.