"Rely on the powerful odor protection of Purina Tidy Cats LightWeight 4-in-1 Strength clumping litter for all your cats' litter boxes. Formulated to attack and neutralize cat litter odor caused by ammonia, urine and fecal odors, this kitty litter leaves their boxes smelling fresh, clean and ready for your feline friends. Ideal for households with multiple cats, this low-dust litter pours neatly into each litter box, keeping your floors clean. The Ammonia Blocker keeps ammonia odor from forming for at least two weeks when used as directed. Purina Tidy Cats delivers light, powerful clumps that make scooping quick and effortless, and at half the weight of the leading clumping litter, our 4-in-1 Strength clumping litter makes it easy to carry to every litter area when you need to refill their boxes. Check litter box maintenance off your to-do list with a convenient odor-neutralizing solution that will have you saying, ""Toss me that litter""."