The Roll 'N Clean cat litter box from Omega makes cleaning quick and easy. Simply tilt the box to separate clean cat litter from clumps, which collect in a removable drawer for easy emptying. The box has a patented design with a stable grid and secure locks, spacious size (57x50x47 cm) and entrance of approx. 23x25 cm, and is built with sturdy plastic walls for durability.