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 Meat Flavored Throughout:To promote chewing & increase palatability. 2-SIDED BRISTLE LINE: Give your dog agum line cleaning! Customer Guarantee: If you are not satisfied with our products,please contact us via email.It is our aim to provide customers with the best products and services.