Immediate odor control formula. Tidy Cats is high performance 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. Immediate Odor Control Formula: Tidy Cats immediate odor control is designed to fight odors instantly by neutralizing them on contact. Fast-acting formula neutralizes odors instantly. Neutralizes ammonia odor on contact. Dust control system eliminates 99.6% of all airborne dust. Made in U.S.A.