Ergonomic styled back. Multi-purpose use: Classroom, breakroom, cafeteria. High impact, injection molded plastic shell seat and back.Padded seat added for comfort Vented back and seat allows air to circulate. Heavy-duty frame is black powder coated. Dual cross braces made of steel. Includes black nylon glides to help protect floors.Stacks 10 high on the floorStack 38 high on a dolly