With scientifically proven performance, World's Best Cat Litter ™ is the only litter with a patented formula that harnesses the microporous power of all - natural, whole - kernel corn to
provide outstanding odor control, compact clumping on contact (easy clean up), long - lasting use (2 - 3 times longer than other clumping litters, using less litter and saving money) and a safer solution for pets, people and our planet alike.