Product description Specifications: Material: Natural Nontoxic Rubber. Size:4.5*4.7*2.3inch Color: blue Weight:135g HEALTHY FEEDING Fill the dog chew toys ball with your dog's favorite treats or food, it will fall out from the holes while playing to reward them for being active. With three holes design, slow feeding and aids digestion CLEAN TEETH With wave points multi-tooth design, will meet the needs of dog teeth during the growth period of the molar, not only can grind but also clean teeth to remove the oral odor well WARNING Treat ball can accompany your dogs. Dogs need to be supervised while playing. Large breed dogs may destroy the ball by chewing it and tearing it apart, so for your dog's safety , you need to throw the pieces away in time when the toy has been shredded to prevent the dog swallow the rubber.