World’s Best Cat Litter is the only litter that uses a patented process to compress naturally absorbent corn into concentrated granules that trap odor deep inside and form tight clumps on contact. The clumping litter with outstanding odor control and a fight clumping ability. Smell less, clean less and buy less with the original choice for 2X longer-lasting performance than the leading US litter brand. World’s Best Cat Litter is a Pet-Friendly, Sustainable, Oraganic cat litter.