Made of natural rubber, safe and non-toxic, you can chew with confidence. The chew toy is soft and does not harm the dog's teeth and mouth. Chew toys are suitable for small dogs and large dogs.There are rubber toothbrush heads on the chewing toys. When a puppy or big dog chews a dog toy, the rubber brush head will clean the dog's teeth like a toothbrush, reduce plaque and bad breath, and make the dog's teeth and mouth healthy.Chewing toys can not only clean the dog's teeth and mouth, but also exercise the bite force of the dog's teeth. Rubber chewing toys can help solve the dog's destructive chewing, kill the dog's boredom, and teeth out time; reduce the dog's anxiety is conducive to the healthy growth of the dog.You can put dog toothpaste on a chewing stick to allow dogs to chew and clean their teeth, or add dog food to chew toys. This is an educational toy that can train the dog's intelligence when playing with the dog. After the dog chews the toy, wash the toy with water and detergent.