Simple Solution 30-Day Super Absorbent Cat Litter Simple Solution 30-Day Super Absorbent Cat Litter is 3x more absorbent than standard cat litter One 15 pound box of Simple Solution 30-Day Cat Litter is equivalent of 42 lbs of clay litter Exclusive odor-eliminating technology is strong enough to handle the litter box odors in multi-cat households for powerful 30 day odor control 30-Day Super Absorbent Cat Litter is made with Attapulgite, a lightweight mineral, with a three-dimensional crystal structure 50% lighter than clay litter; absorbs urine without clumping (non-clumping) that eliminates daily scooping