PRO PAC Adult Chunk and Mini Chunk Superpremium formulas are specially designed for the normally active adult dog. PRO PAC s Superpremium nutrients provide for strong bones. 16.5 lbs. Specially designed for the normally active adult dog. Highly palatable and easy to digest. Provides strong bones, excellent muscle tone, a shiny coat and firm, consistent stools. Chicken Meal, Ground Yellow Corn, Chicken Fat (Preserved With Mixed Tocopherols, A Source Of Natural Vitamin E), Rice Flour, Dried Beet Pulp, Natural Flavoring, Flaxseed, Yeast Culture, Salt, Potassium Chloride, Choline Chloride, Etc.: Size: 16.5 lb.