ARM & HAMMER Multi-Cat Unscented Clumping Litter 20 lb box combines instant odor destroyers and Baking Soda to eliminate tough odors. This formula is ideal for multiple cat households and is Unscented for fragrance sensitive cats and owners. This ARM & HAMMER cat litter is made with odor-absorbing clay and baking soda crystals to neutralize litter box odors Rock-solid clumps let you remove the source of odors easily. The formula is 99.9% dust free low tracking and extra strength for multiple cat households. Unscented formula is designed for fragrance sensitive cats and owners ARM & HAMMER Multi-Cat Clumping Litter is also available in Scented.