This clumping cat litter is made of all-natural clay. Its patented "Smart Odor Shield" technology blocks ammonia release, uniquely neutralizing urine and faeces 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: you'll use 45% less litter per year. * 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. The only litter that neutralizes unpleasant odours for up to 40 days! Its patented technology blocks the formation of ammonia, which causes unpleasant odours Ultra-fast clumping makes it easy to scoop and reduces the amount of litter used Cuts down on waste AND reduces annual litter use by over 45% 99.9% dust-free, which is better for you and your cat’s respiratory systems Leaves no tracking so your home will stay clean all the time Made with 100% pure, natural clay, recognized worldwide for its high quality Satisfaction guaranteed