Crumble-free performance (versus previous Tidy Cats Scoop formulas) plus Power Pieces neutralize odor on contact (on contact with moisture). Designed for tight places: Bathrooms, Utility Rooms, Apartments. Controls odor in tight places with: Tidy Lock Technology. Power Pieces neutralize litter box odor on contact with moisture, without overwhelming fragrance. Litter Granules are specially designed to absorb odor and form crumble-free clumps (versus previous Tidy Cats Scoop formulas). Multiple strength for multiple cats. Made in U.S.A.