This long-lasting bone helps to clean teeth and keep them healthy. They are recommended for powerful, strong or aggressive chewers. Be sure to select the proper chew and size for your dog???s particular chewing style. Bristles raised during chewing will help to clean the teeth, and this cleaning action will help control plaque and tartar. This is not a consumable chew toy. Small pieces, no larger than a grain of rice, should pass through safely. Supervise your dog while it chews on this toy so that the dog does so in a safe manner. Non-toxic and non-edible Flavor enhanced nylon Available in many sizes