Advance Cat Mature Fish has been specifically developed to maintain an ideal body weight and composition in your feline friend as they age. It is a complete and balanced food aging cats over 8 years. It uses tasty fish as the main source of quality protein, and the specially designed kibble shape and size helps maintain both dental and urinary tract health. It contains a selection of premium vitamins and minerals for optimal immune system health. Advance Cat Mature Fish is complete and balanced nutrition for adult cats.