Marsh's Double-Sided Portable Magnetic Dry Erase Board gives you double the space to write and display visual aids. This versatile markerboard features a magnetic porcelain-on-steel dry erase surface on each side. Just flip your markerboard for more writing room, and secure it in position with the double-pin locks. Store markers and erasers on the full-length tray. Four casters let you move your markerboard anywhere in the room for maximum visibility. Choose from a variety of sizes.