Multiple Cat Unscented More Cats Shouldn’t Mean More Mess. More cats require more odor control. Our Multiple Cat formula is a quick-clumping litter with added natural plant ingredients for outstanding odor control. Because it’s made from whole-kernel corn, it’s naturally safe for you and your cat, with no harmful chemicals, no artificial perfumes, and no clay dust. And for all your world’s best cats, it thankfully lasts 2X longer than the leading U.S. brand. Available in 15 and 28 lb bags.