Fresh Step Odor Shield with Febreze Freshness Scented Clumping Cat Litter contains carbon to inhibit bacterial odor for up to 10 days and tight clumping clay for easy litter box maintenance. In this scented formula, a paw-activated fragrance is released every time your cat uses the litter box, providing odor control as needed without being overpowering. The high quality clumping clay forms tight clumps leaving virtually no stinky crumbles after scooping, which makes cleaning fast and easy. Odor Shield with Febreze Freshness Clumping Cat Litter has a low dust formula that is designed for cleaner surfaces and clearer air. To refresh and maintain your litter box, every time you scoop just add more Fresh Step scented cat litter. (from Fresh Step)