Precise Holistic Complete Large and Giant Breed Puppy formula is for puppies that will reach 50 pounds or more as an adult. Its triple protein source builds good solid muscle, providing optimum calcium and phosphorus. In addition, there are slightly fewer calories so that puppies don't gain too much weight before their bodies are ready to support it. All packaged in a zip-top, stay-fresh bag. Excellent palatability will keep your puppy happy day after day.