Tidy Cats is the high performance clay cat litter specifically formulated for households with more than one cat. All formulas of Tidy Cats provide advanced odor-control technology designed to neutralize ammonia odors in the toughest environment of all--multiple cat households. Tidy Cats Long Lasting Odor Control is specially formulated to continuously fight odors. Fast-acting formula neutralizes odors instantly. Dust control system eliminates 99.6% of all airborne dust. Ingredients: Natural clay product with deodorizing system.