Our Original formula assures complete 360º tooth contact, efficiently removing plaque and tartar all the way to the gums. Our Original dog chews come in four sizes (Small, Medium, Large & Extra Large); each size is designed to fit your dog's jaw perfectly. Ingredients: Tapioca Starch, Sorbitol, Glycerin, Chicken Fat (preserved with mixed tocopherols), Natural Chicken Flavor, Oats, Rice Flour, Chicken Meal, Gelatin, Chicken Liver, Powdered Cellulose, Flaxseed, Monoglyceride, Natural Flavor, Zinc Acetate.