The Pet Training Bell is a great and fun way to house train your dog. steel bottom and non-slip rubber Outstanding Pet Training Bell Features: Teaching at ringing a bell prevents her from needing to resort to "uncivilized" behavior like scratching at the door or barking to tell you to let her out.With training bells, you won't have to worry about misreading your precious pup's signals while he waits by the door. Why Choose Pet Training Bell? This bell set for dogs are both fashionable and functional options the buttons that let your pet know when it needs to be taken out.The top button of the doorbell is large enough for the animal to lean on. Material: Stainless Steel and ABS Plastic Product Size: 2.84 x 2.84 x 1.87 inches/7.2 x 7.2 x 5 cm Weight of the Package: 170g/6oz Package Includes:2 x Dressing Bells for pets Warm Tips:Please use it in a dry and flat place.