Purina ONE Senior 11+ Cat Food Chicken and Whole Grain 750gComplete pet food for cats aged 11 years and over. Developed by Purina vets and nutritionists, Purina ONE Bifensis contains, along with the beneficial functional bacteria, all the key nutrients your cat needs, including Omega 6 fatty acids. Its dual defense formula works in parallel on the inside, by helping to support your cat's natural antibody production, and on the outside by maintaining healthy skin and coat. Visible health for today and