Intended for use by powerful chewers.,Be sure to get the right chew and size for your dog's particular chewing style.,Bristles raised during chewing help clean the teeth and this cleaning action helps control plaque and tartar buildup.Nylon Natural Flavor. Not Consumable. Only Small Shavings No Larger Than A Grain Of Rice Can Pass Through Safely. Replace Before The Dog Chews Through The Ring. Non Toxic. Size: Giant.