Royal Canin Oral Care has been formulated with a balance of unique ingredients which are able to give your cat an effective mechanical & chemical cleaning of the teeth. The shape & size of the kibble encourages chewing resulting in a tooth brush effect whilst an active dental agent traps calcium in saliva preventing it from being deposited on the teeth in tartar form. The mix is not just a mini tooth brush it also provides adult cats with all the nutrients they need for good health as well as a selection of minerals to maintain a healthy urinary system. 59% reduction in tartar after 28 days Supports good overall health Great for all adult cats, indoors or outdoors Analytical Constituents: Protein 30%, Fat content 15%, Crude ash 7%, Crude fibres 5.4% & Pentasodium triphosphate 2 g/kg. Composition: Dehydrated poultry protein, rice, maize, vegetable protein isolate*, animal fats, maize flour, vegetable fibres, hydrolysed animal proteins, wheat, maize gluten, minerals, beet pulp, fish oil, fructo-oligo-saccharides, soya oil, psyllium husks and seeds.