300lb Capacity – Fit for tough, heavy duty jobs. Multiple Shelves – Three textured shelves can each hold two side-by-side bus boxes to separate dishes and expedite cleaning. Omnidirectional Casters – Four casters expertly maneuver over flat carpet, tile, linoleum and wood floors. Raised Edges – Raised edges keep contents contained even when cart is in motion. NSF Listed as NCC2036.