How pathetic pets are without toys, don't complain, they're not ! Pet training bell develops pet intelligence, listens to the sound and feeds. When the pet is hungry, them to press the pet training bell. Features - ColorAssorted Color - Material: Metal, plastic - Size: About 7.20X7.20X5.00cm/2.83X2.83X1.97inch - Using dog training bells have been taken as an easier, fun and -win way for dogs to talk with you instead of barking. - Metal bell makes clear loud ringing sound bell, easily audible from other room even when dog softly it. - You can hear the gentle bell and teach them how to signal you when they have to go to bathroom or come back or go to outside. - Pet training bells can be carried with your puppy. Training bells to play games, potty training, housetraining for your pets. - With patience , most pets are able to learn to touch the dog training bells in about one week, and fully learned to hit them to go outside or eat or potty training next week. Package list: 2 Training Bells