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.Immediate Odor Control. Moisture Activated to Neutralize Odor on ContactTidy Cats Immediate Odor Control formula provides another level of protection--a moisture activated deodorizing system which immediately reacts to the presence of waste for highly effective odor control.Moisture activated odor control system reacts immediately to neutralize odor.Patented Aromaburst+ System neutralizes ammonia odors on contact.Highly effective dust control system eliminates 99.6% of airborne dust.So, whether you have multiple cats or just one, Tidy Cats Immediate Odor Control is the ultimate weapon against cat box odor.