Features: Quick clumping ODOURLOCK the best clay litter on the market! an ultra-premium product that will exceed your expectations! ODOURLOCK has been scientifically proven to offer outstanding odor control. Thanks to its "Smart Odour Shield" technology, ODOURLOCK neutralizes both urine and feces odors for over 40 days. 99.9% dust free, ODOURLOCK is highly effective and safe for you and your cat.