Hill's Science Diet Mature Adult Active Longevity entrees are made with delicious, high quality ingredients that provide a balance of nutrients to keep your senior dog fit and healthy. This canned food contains nutrition that is precisely balanced to sustain mobility and a healthy muscle mass. Each can has high quality lean proteins that will promote lean muscle, a fit body weight, and healthy vital organs. Easy to digest. Ideal for mature adult dogs 7 years and older. Available in 5.8 oz and 13 oz.