Extra strength formula. 99.9% dust-free. Clumps Tight with Fresh Step. ClumpLock Technology: Locks in liquid and odor on contact to form tight clumps and make scooping easy. More Odor-Fighting Protection with Power of Febreze: Even more of our odor-fighting power for multi-cat liter boxes, and leaves behind a fresh clean scent. 999.9% Dust-Free: For cleaner surfaces and clearer air, Fresh Step Multi-Cat is 99.9% dust-free. Pet Friendly: Created by the makers of Fresh Step with your cat's health and happiness in mind. Sold by weight, not by volume. Contents may settle during shipping. 50 Paw Points Rewards: Join Paw Points & turn litter into rewards! Earn rewards for buying the litter you love. How to Earn Points: Sign up on freshstep.com/joinnow or download the Paw Points app. Flip open the tab to find your unique Paw Points code. Enter the code or upload your purchase receipt and earn 50 points! Join Paw Points Today! Download our app to upload your receipt or use the code inside the box and visit www.freshstep.com/joinnow to learn how.