99.9% dust free. Powerful odor control. America's No.1 litter brand based on sales. Backed by 70 years of litter expertise. Our history began when Ed Lowe invented litter in 1947, and reinventing litter has been our focus ever since. Combining our litter expertise with everything we learn from you, we're proud to keep growing our innovative portfolio of litter products. Absorbency & Clumping in Every LightWeight Granule: Clumping power; Absorption power; Deodorizing system; Tidy Cats Power + Glade Clean Blossoms Scent. Less weight, not less litter. Same uses as 20 lbs. 8.5 lbs Tidy Cats LightWeight = 20 lbs Leading Clumping Litter. Purina - Your pet, our passion.