The desk and the chair are integrative. The frame: Die-cut by quality cold-rolled steel plate. The seating: Laminated with the paint on the side. The appearance looks perfect, the seating is comfortable and strong. Folded by the manual, and with the silencer. The desk: Laminated with veneer, heat-resisting, iron-resisting, anti-erode, waterproof, anti-score. The metal components: Has anticorrosion treatment of phosphorization and plastic spray, with were double snit-rusting It can removable.