Unbeatable odor control. (Based on lab tests with cat urine.) Immediate paw-activated freshness. Unbeatable clump strength. 99.9% dust-free. Fresh Step Premium Cat Litter Offers Unbeatable Odor Control, in Three Ways: 1. Its highly absorbent, quick clumping formula lets you easily scoop out the source of odors to keep your litter box fresh. 2. Its fresheners are activated right when your cat scratches or steps for immediate odor control and a light, fresh scent. 3. Its patented odor neutralizers control odor between uses so you can rest assured that the litter is always working. Sold by weight not by volume. Contents may settle during shipping. Made in U.S.A.