This double-sided magnetic whiteboard has an aluminum frame, and a knob adjustment that locks the whiteboard into your preferred height. This dry erase board is perfect for offices, presentations, lectures, or art shows. Comes complete with four 2" casters, two with locking brake. The dry erase board measures 22"W x 34"H. The sturdy aluminum frame of this presentation board is 57" high. Includes manufacturers lifetime warranty.