99.9% dust free, hypo-allergenic natural litter to keep your surfaces clean and perfect for families who suffer from allergies Hard clumping, medium-grain clay makes it the perfect clumping litter that helps prevent moisture Multi-cat formula and superior odor control keeps your home smelling clean and fresh day in and day out Ideal for sifting and mechanical litter boxes so it’s easier for you to dispose of your kitty’s waste Forms hard clumps that don’t break down making easier to scoop up and clean the box twice daily.