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. - Long Lasting Odor Control with Time-Release Deodorizing System - Tidy Cats Long-Lasting Odor Control formula provides another level of protection--a time-release deodorizing system specifically designed to control odors over an extended period of time. - Time-release deodorizing system provides extended odor protection. - Patented Aromaburst+ System neutralizes ammonia odors on contact.high effective dust control system eliminates 99.6% of airborne dust. - So, whether you have multiple cats or just one, Tidy Cats Long Lasting Odor Control is the ultimate weapon against cat box odor. - High performance clay litter neutralizes ammonia odors in the toughest environment of all--multiple cat households,The time-released deodorizing system is specifically designed to control odors over an extended period of time