Keep odors under control with Arm & Hammer Clump & Seal Multi-Cat Lightweight Complete Odor Sealing Cat Litter. Finally, a lightweight litter that doesn?t act lightweight. Now revolutionary odor control comes in a lightweight litter that?s easy to carry, pour, and store. Perfect fpr multi-cat households! The liter features 7-day odor control, guaranteed 50% lighter than our regular litters 100% dust-free formula. The breakthrough odor control kitty litter formula destroys pet waste odors on contact, helping you to keep your home smelling fresh and clean. Clumping cat litter makes clean up fast and easy.