【High Quality and Healthy】 This educational pet brushing toy is made of natural TPR material, which is more reliable than normal rubber. It is environmentally friendly, safe, non-toxic, and harmless. 【Unique Design】Different molar bumps, are designed to brush the teeth of different sizes of dogs. The serrated grooves help to clean tartar in the back teeth more effectively. Adding food into the inner tube increases the fun. 【Cleaning and Protection】This toy dog toothbrush is designed to clean and freshen your dog’s teeth itself. After adding toothpaste or your dog’s favorite food to the grooves, let your dog brush their own teeth and freshen their own breath! You will no longer be bothered by having to brush your dog’s teeth. The dog toothbrush stick is soft enough to prevent hurting their gums but strong enough to withstand their chewing. It can protect them from oral diseases. 【Solve Problems In Play】Playing with this toy can ease your dog’s anxiety and offer them a fun activity.