3 sizes of dog toothbrushes: Suitable for all Small Medium Large Dogs. Choose the right size based on the size of the dog. Made of high quality rubber, nontoxic ,durable, 360-degree bristle configuration, bite resistance and easy to clean SAFE MATERIAL: The toothbrush is made from nontoxic natural rubber. Keep your dogs in safe, keep you at ease! 360 DEGREES OF PROTECTION - Dogs often use chew toys on one side of their mouths. It is not a guarantee of getting all teeth surfaces clean. The toothpaste reservoir can inject toothpaste and come out through 6 small holes,With our 360 degree toothbrush, the owner has more control over which surfaces they're cleaning and the level of vigor. 5. Meat flavored toothbrush makes cleaning teeth an enjoyable experience for your pet and promotes chewing.