Immediate odor control. Low dust. Tight clumps. 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. Purina - Your pet, our passion. The Purina Promise: Pets are our passion. Safety is our promise. Progress is our pledge. Absorbency & Clumping in Every Granule: Clumping power; Deodorizing system; Absorption power; Bright outdoors scent. Natural clay plus deodorizing system. Tight clumps for an easy scoop. Made for multiple cats.