Features: 1) Available in marker board and chalk board with magnetic surface 2) Full length pen tray keeps markers and eraser close at hand 3) Surface: acrylic / porcelain magnetic off white 0.4mm 4) Samdwich: corrugated board 10mm 5) Backing: galvanized steel sheet 0.23mm 6) Extrusion: rounded plastic corner 7) Accessories: mounting brackets for boards 240cm over Features of porcelain: 1) Easy-to-clean surface resists ink stains and ghosting 2) Avoids distortion and reflection of light 3) Scratch and dent resistant 4) Sizes: 300 x 450, 450 x 600, 600 x 900, 900 x 1,200, 900 x 1,500, 900 x 1,800, 1,200 x 1,500, 1,200 x 1,800, 1,200 x 2,400mm