GuestStacker is molded to fit the body. Fluid, curvilinear shape delivers ergonomic support. High-density stacking chairs feature heavy-duty steel frames for frequent handling. Weight capacity is up to 300 lb. They stack six high on the floor or 28 high on a special cart. Chairs are ideal for training rooms, conference centers, breakrooms & cafeterias. Wall-saver design keeps the back from scraping against paint or wall coverings. Molded polymer seat & back are contoured for comfort. Shell color is Onyx. Frame color is black.