Litter Wizard System 3-Pound Granules and 8 Fluid Ounce Enzyme Spray Combo Pack Non-toxic organic formula that contains no harmful ingredients, safe for pets, people, environment Ten times more effective at controlling odor than other cat litter additives on the market Doubles litter life and keeps litter box dry and parasite free Laboratory developed microbes consume ammonia Extends pet enclosure bed shavings life and reduces fly population