Petmate Booda Dome Clean Step Enclosed Cat Litter Box with 95% Recycled Materials Pearl - A 2-in-1 combo for both the kitty and the cat butler. With the Petmate? Booda? Cleanstep Litter Box; catch litter from your cat s paws in a single step. Prevent scatter and tracking with an enclosed dome design perfect for kitty s privacy. Compared to the average cat box; the Booda Cleanstep Dome is 50% larger. Its ramp not only contains scatter but also minimizes tracking and overflow. A built-in handle makes cleaning and moving a breeze. The replaceable charcoal filter minimizes unwanted odors to keep your home as fresh and clean as possible.