Isomars Drawing board is a wooden melamine A3 - 16"x21" Wooden shade board. It is an ideal board for draftsmen, artists, calligraphers etc. You can also use it for technical purposes. The board is made of melamine wood and frames are light weight and strong which make the board long-lasting. The board has two metal clips at the top which help to hold paper and canvas. The board has also a wooden bar at the bottom that can be used to hold stationery items such as pencil, marker, scale, compass, pen etc.