Single Protein Dry Food with Probiotics for Small Breed, Puppies and Adult DogsNulo FreeStyle Limited Ingredient Dry Dog Food offers a simplified diet while still maintaining taste and nutrition. This limited ingredient kibble features at least 74% real meat protein from a single animal source. Nulo Limited Ingredient Dry Dog Food is grain free and features a unique, patented probiotic strain that is able to keep it's nutrients in tact even after being cooked!Feed your dog a simplified yet complete, balanced meal with Nulo FreeStyle Limited Ingredient Dry Dog Food.Available in 4 lb and 22 lb bags in three following flavors: Salmon, Turkey and Small Breed Turkey.