The Purina Tidy Cats Clumping Cat Litter is a high-quality, free-flowing cat litter that provides uncompromised odor control and easy cleaning. The litter features a natural clay base that absorbs odors quickly and forms strong, tight clumps for easy scooping. The litter is also low in dust and has a pleasant scent. The brand-new 40-pound bag is guaranteed to provide 10 days of odor control when used as directed.