This Pet Bell is prepared for pets to communicate with its when they are hungry, thirsty, or boring. This is best taught after your dog seems to prefer to go outside to potty and you would like to give it a good way to deliver the message to you. This works well for pets and can be durable for use. Features -Color:Assorted Color -Material:Plastic -Size:7.50X7.50X3.50cm/2.95X2.95X1.38in -Portable and convenient for you to carry the dog bell, can bring you and your pets of wonderful time. -Easy to teach your puppy or kitten to hit the bell with his paw or nose to ring, necessary for . -Perfect as tools to treat game, Potty Training, house training and housebreaking for your pets. -Don't need to install, just put the dog bell in any flat place, non-skid bottom prevent your floor from . -The potty training bell is made of sturdy materials, loud and clear, but not driving you nuts. Package list: 2 x pet training bells