【Perfect Size For Most Dogs】Approximately 7x 3.5 x 10cm. The dog toothbrush will accommodate most medium to large dog breeds, and some smaller dog breeds, depending on mouth size. 【360-degree Protection】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. A guarantee of getting all teeth surfaces clean. 【Innovative Design】This dog toothbrush provides an innovative 360-degree bristle configuration and bite resistance to allow you to more easily care for your dog's teeth. 【Bite Resistant & Safe Material】Made from a strong TPE material that is intended to be bite resistant, but not bite proof. The withstand bite force is about 0 to 25 pounds. Can be used as a trainging toy to play with the dog. 【NOT INTENDED AS CHEW TOY】The dog toothbrush is not intended as a chew toy and should not be given to dogs independent of owner use. Proper owner use and supervision is required.