This Bussing Cart boasts a 300 lb capacity, making it fit for tough, heavy-duty jobs. It features multiple shelves that can each hold two side-by-side bus boxes to separate dishes and expedite cleaning. It also includes four omnidirectional casters that can maneuver over flat carpet, tile, linoleum and wood floors. The raised edges keep contents contained even when cart is in motion. Material(s): Polypropylene; Overall Material Type: Plastic; Color(s): Black; Color Family: Black.