Purr & Simple is made with 100% natural fibrous plant material. It is completely biodegradable and is made from annually renewable resources. This unique litter absorbs and eliminates odor faster than any other cat litter on the market today. It does so naturally and without the use of fragrances or any other additives. Veterinarian approved for Cats and Kittens. The low dust formula is proven to reduce upper respiratory health problems. Purr & Simple Natural Cat Litter - Twice the Odor Control - 100% Biodegradable - Low Tracking - Low Dust - Safe for Cats & Kittens