1,Good palatability 2,Complete and scientific formula 3.100% pure natural 4.Cleaning tartar effectively 5.ISO,FDA,HACCP,EU Added ... firmed ones . Ingredients Fresh Chicken Meal, Edible Gelatin, Natural Unmodified starch, Oligosaccharides , Natural Flavor, Natural Antioxidants , Edible Fatty Acids , Multi-trace Elements , etc ...