The World’s Best Cat Litter is an outstanding odor control litter that keeps your cat’s litter box smelling fresh thanks to a natural unscented litter with long-lasting odor control. The quick-clumping formula is perfect for those who want to avoid chiseling and scraping their litter boxes. The lightweight design is ideal for those who want to keep their cat litter on the move. The flushable design is perfect for those who have a septic or sewer system.