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 Quality Material - Made from a strong food grade silicone adding the flavour of the meat, the dog will love to chew it and that is chew resistant. Meat flavored toothbrush makes cleaning teeth an enjoyable experience for your pet and promotes chewing; Usage: Allow your dog to chew on the Brushing Stick for Dogs for about 10 minutes at a time. This is enough time to clean his teeth, but not so long that he ’ll get bored of it. When his or her 10 minutes are up, you should take the stick and put it up until next time.