Arm & Hammer Clump and Seal Cat Litter is a new kind of mixture, formulated to provide exceptional odor control. This Arm & Hammer cat litter, 14 lbs, has moisture-activated micro-granules. They form a tight seal around your cat's waste, locking odor in. The unique plant-based formula also ensures the waste forms into rock-solid clumps for easy removal. Additionally, it performs well as an ultra-low dust cat litter, keeping your floors residue-free for better health.