Science Diet Senior Original Cat Food is specially formulated to meet the nutrient and energy needs of cats 7+ years of age. Includes high quality protein to help maintain strong bones and muscles, taurine to help ensure optimal heart and eye health and digestible carbohydrates supply abundant energy to help keep your older cat active. It has a powerful combination of antioxidants to help protect against cell damage and help your cat stay young and live long. Science Diet® Senior has everything an older cat needs to stay fit, strong and full of vitality. Shipping weight: 4 1/4 lbs.