This revolutionary cat litter first seals, then destroys odors. Extra Strength Formula for Multi-Cat homes. * For over 165 years, Arm & Hammer? products have provided a safe and effective way to keep things smelling fresh and clean. An odor-free home stars with Arm & Hammer?. * Your Cat Will Love The Softer Feel * Sealing A proprietary blend of moisture-activated Micro-Granules forms an odor containing seal around urine and feces. *