Educational Silver Framed Magnetic Dry Erase Portable Presentation Whiteboard 72 X 40 Easily flip reversible board for twice the writing area. Magnetic surfaces allow users to display papers or posters 1" aluminum frame gives professional and clean appearance. Take advantage of great mobility with four casters and two locking brakes Full length marker/eraser tray provides ample room for board materials. Material: Painted Steel. Frame: Aluminum; 1" edging Surface Style: Magnetic Painted Steel. Tray Style: Full Length. Casters (4): 2" casters; two casters include locking brakes. Actual Weight: 62 lbs Assembly Required: Yes. Dimensions: Full Dimensions: 74.5" W x 23" D x 69" H; Board: 72" W x 40" H; Tray: 72"W x 2"D; Frame Base: 74.5" W x 23" D