Nylabone Dura Chew Textured Toy, Liver Flavored Bone Designed for powerful chewers Bristles raised during chewing help clean teeth and control plaque and tartar build-up This long lasting chew for extra large dogs over 50-pound has an irresistible liver flavor DuraChew toys are made to be long lasting for powerful chewers Bristles raised during chewing help clean teeth and control plaque and tartar