●Material: Iron, plastic base ●Diameter is about 7cm, height is about 4cm, error is about 1cm ●The metal bell makes a distinct loud sound from the dog bell and can be easily heard from other rooms when the dog is gently touched ●Simply place the dog bell on a flat surface. When a puppy or kitty press or press the flat big button with your feet or nose and the sound will sound ●The pet training bell can be carried with the puppy. Bells training for playing games, potty training, pet house training