Dog Training Bells, 2-Piece Puppy Pet Toilet Training Bells, Dog and Cat Doorbell with Non-Slip Rubber Base White Anti-Slip Rubber Sole: This design not only secures the pet training bell to the floor, but also protects the floor from scratches. Pets can easily ring the dog training bell. EASY TO USE: No installation required, just place the puppy training bell in any flat position. Puppies and kittens can tap the pet training bell by tapping the flat button with their paw or nose. Metal Material: The body of the puppy potty training bell is made of metal material with cute paw prints on it. The paint on the surface of the cat training bell prevents rust. Portable: The dog bell is small and exquisite. It is very convenient to carry a pet toilet training bell with you. Spend quality time with you and your pets. Pet bells can help with pet potty training, home training, therapeutic play, preventive housekeeping training. It can also be used as a desk clock in shops, restaurants, bars and hotels.