Intersand OdourLock clumping cat litter is made of all-natural clay. Its patented "Smart Odor Shield" technology blocks ammonia release, uniquely neutralizing urine and feces odors for 40 days. This ultra-fast clumping and easy-scooping litter makes litter box cleaning so effortless. OdourLock generates less waste than competing clay litters. Plus, it's 99.9% dust-free, leaving no tracking on floors or furniture and keeping your cat's and your family's respiratory systems safe. It is soft and comfortable for your cat. It is easily carried thanks to its side handle and is manufactured in Quebec, Canada.