The Arm & Hammer 40000183: Litter Cloud Control Multi-Cat-Cat 14 Lbs is a high-quality litter box that helps reduce odor and prevent litter from escaping. The box features a 100% dust-free design, and the dander shield technology helps keep cat dander out of your eyes. The clump and seal technology helps keep litter in place, and the 7-day odor control helps keep your home smelling fresh.