Boxiecat Premium Clumping Clay Cat Litter Veterinarian Recommended - "This is TRULY the best litter" - Dr. Lisa Franck D.V.M. 2x Longer Lasting - use less, toss less 99.9% Dust-free - new and improved dust control formula, ideal for allergies, hypo-allergenic Exceptional Odor Control - eliminates ammonia odor Instant Flat Top Clump - rock hard clumps form on the top of the box, scoops easily Stays Ultra-clean - remains odor-free even after weeks of scooping, like a new bag after every scoop Low Tracking Granules - all natural, unscented, great for multiple cats, and all box types Winner of the Cat Fancy Editors' Choice Award - voted "Best Cat Product of the Year!"