These combine sweet potato, fine ground oyster shell and pumpkin spice for a unique, fully digestible dental treat. The oyster shell has abrasive qualities that help remove teeth plaque and tartar, and the sweet potato and pumpkin spice delivers a tasty treat your dog will love! Every dental stick offers your canine with an assortment of vitamins and minerals found in sweet potato, oyster shell, fish, dried citrus pulp and coconut oil. This is dog dental care made easy!