1. This toy uses nylon shell + TPR software, which is more resistant to bite than ordinary dog chew products. 2. The new crocodile shape design is arranged with different degrees of serrated molar bumps, pointed molar bumps, and various shapes and designs. It can deeply clean the dog's incisors, canines and molars during the dog's gnawing, effectively protecting the dog's oral health. 3. The tooth cleaning channel is newly designed at the bottom of the toy, where snacks can be placed to attract the interest of dogs, and toothpaste can also be placed to allow dogs to clean their teeth during the process of biting, so as to allow dogs to brush their own teeth. 4. This dog toy combines teeth grinding, teeth cleaning, leakage entertainment and other functions to bring multiple play fun to dogs.