Dry erase board / marker board / magnetic white board 1. aluminium frame with ABS corners. 2. Surface material is painted steel sheet. 3. Interlay material is 7-layer strong corrugated cardboard. 4. Back face material is galvanized zinc steel sheet. 5. Pen tray and hooks are included. 6. 1 eraser & 3 magnets are included. 7. Sizes are avaiable as below: Item No.SizecmBWV62030-2120x30BWV63040-2130x40BWV63550-2135x50BWV64060-2140x60BWV64560-2145x60BWV65070-2150x70BWV66080-2160x80BWV66090-2160x90BWV66010-2160x100BWV68012-2180x120BWV69012-2190x120BWV69015-2190x150BWV69018-2190x180BWV61012-21100x120BWV61015-21100x150BWV61018-21100x180BWV61020-21100x200BWV61215-21120x150BWV61218-21120x180BWV61220-21120x200BWV61224-21120x240