Non-skid Rubber Bottom: This design can not only fix the pet training bells on the floor, but also protect the floor from scratches. The pets easily ring the dog training bells. Easy to Use: Dont need to install, just put the puppy training bells in any flat place. Puppies and kittens can ring the pet training bells by tapping the flat button with their paw or nose. Metal Material: The puppy potty training bells body is made of metal material with cute printed pawprints. The paint on the surface of the cat training bells can prevent rust. Portable: The dog bells are small and exquisite. It is very convenient for you to carry pet potty training bells to any place. Bring you and your pets lots of wonderful time. Multi-purpose Tool: Pet bells can help your pets perform toilet training, home training, therapy games, and prevent burglary training. It can also be used as a desk bell in shops, restaurants, bars and hotels.