Description LOCKS IN MOISTURE FOR EASY CLEANING. ? Super absorbent moisture locking clay ? Hard clumps for easy scooping ? Low tracking and 99% dust free ? Designed for fragrance-sensitive cats and owners This odor-controlling formula includingArm & Hammer Baking Soda and Super Absorbent Clay instantly attacks and destroys odors while locking in moisture for an easy clean up. Plus rock solid clumps let you remove the source of odors easily. Dogcatto Pet Store