*Pet food is not eligible for our free shipping promotion. Hill's Science Diet Adult Optimal Care Original cat food provides precisely balanced nutrition to maintain vital organ health and lean muscles. It contains a precise balance of essential nutrients and clinically proven antioxidants to maintain superior overall health and a strong immune system. It also has added taurine to help maintain heart health and controlled phosphorus to maintain kidney health. Recommended For: Adult cats 1-6 years of age. Please Note: All food is shipped via ground delivery, only to the Contiguous (48) States. Please allow 7 to 10 days for your delivery to arrive. (More Info)