Castor & Pollux Natural Ultramix Adult Dry Cat Food, 44 Ounce Bag Ideal for active adult cats of all sizes, through their golden years Dark, hearty, grain-free bits contain multiple sources of animal-based protein to deliver essential nutrition Contains Taurine for heart and eye health, and multiple sources of fiber for intestinal tract health Contains no artificial colors or preservatives, and no corn, wheat or soy Product of the USA