Non-Toxic Material: The dog rubber ball is made of extra-strong rubber, good elasticity, bite resistant and non-toxic, non-abrasive, harmless to your gentle dog who squeaks and cleans his teeth. Strong tooth: soft and unique surface relief, can effectively help clean teeth and keep their gums healthy. Improve intelligence and IQ training: This dog toy can easily attract your pets attention, help pets intelligence improve, and is convenient for training dogs. Health and Safety: 100% natural cotton dog rope, washable and safe, keeps your dog entertained for hours. Please Note: Please keep your dog toy away from fire and heat. Product descriptions Size: B-7cm Product Description: You can use these toys with your pets, to play games and get closer. Little reminder: Please keep the rope toy dry after washing. Please keep your toy away from fire and heat. If your dog is bigger than normal dog, please use some small toys with care and avoid improper use. It can hurt your pet if you swallow the toy.