Snap-Frame Magnetic Wet-Erase Board, Black w/ Aluminum Frame, 18" x 24"Features Black, magnetic surface works with wet erase pens (not included) Creates eye catching graphics Magnetic surface allows posting of sheets using magnets Features spring loaded frame pieces 16 1 4"w x 22 3 4"h inserts can be quickly changed Clear insert protects display materials or ink Details Three display solutions in one! The magnetic, black surface works great with special, wet erase pens (not included) for eye catching graphics. Perfect