Master of Boards 15" x 28" Enclosed Bulletin & Notice Board - Indoor or Outdoor Use | Magnetic, Dry Erase | 5 Sizes Available Master of BoardsLockable bulletin board with high grade aluminum frame, suitable for indoor or outdoor use Magnetic dry-wipe whiteboard surface compatible with all conventional dry erase markers and pens. Super lightweight technology, perfect portable whiteboard for those on the go Tamperproof hinge door with durable acrylic reinforced security glass (scratch and shatter resistant) Mountable either vertically or horizontally | Includes mounting screws, keys and a set of 8 magnets Dimensions: 15" x 28" - Available is 5 sizes