The SJ302 Lecture Theatre seat is a hard wearing and practical design. The seat and back rest are made from molded laminated ply that is designed for comfort. The leg is made of cold rolled steel punch plate that has been powder coated. The seat base is self-returning with a silent and slow spring back that makes for easy access along the rows. The desktop is made of 25mm MDF that has been laminated and has a metal book holder under the desktop. The SJ302 design is simple and easy to use.