World's Best Cat Litter creates eco-friendly, natural cat litter formulas that meet and even exceed your expectations for a quality litter. Their patented process uses corn as the ultra absorbent base and converts it into condensed particles that are lightweight, 99% dust free, safe to flush, quick clumping, and easy to scoop. Not to mention, this litter has incredible odour control to keep your cat's litter box smelling fresh. World's Best lets you use less in order to get more. What more could you ask for in a cat litter?