Arm & Hammer Essentials Natural Clumping Cat Litter*. So effective, you won't believe it's natural!* The Standard of Purity. Absorbs 2X As Much Liquid?. Eliminates Odors Instantly on Contact. 10.5 lbs = 21 lbs Clumping Litter. Same Number of Uses, Half the Weight! *100% Natural Corn Fibers. 10.5 lbs. Net wt 10.5 lb (4.76 kg).