Prevents bacterial odor growth on the litter plus activated charcoal technology. Recommended by Vets. free from added fragrances & dyes. Larger Particles: A special blend of larger particles is designed to stick less to your cat's fur and stay in the box. Stops Odor on Contact: Specially formulated to inhibit the growth of bacterial odor on the litter. 99.9% Dust-Free: 99.9% dust-free formula is designed for cleaner surfaces. Clean Paws simple ingredients. Regular simply unscented. Litter stays inside the box. Sold by weight, not by volume. Contents may settle during shipping. Paw Points Rewards: Buy cat stuff. Get rewarded! Just save your receipt (Terms and conditions apply. Visit PawPointsRewards.com for details). Sign up for free. Earn points just for signing up. Upload a photo of your purchase receipt. We accept both printed and digital receipts. Start racking up Paw Points. New prizes and rewards monthly! Buy cat stuff. Get rewarded! Just save your receipt (Terms and conditions apply. Visit PawPointsRewards.com for details). www.PawPointsRewards.com.