Economical, unframed lap board with magnetic-receptive plain dry erase surface is ideal for academic practice, doodling and for use with magnetic manipulatives! Quality write-and-wipe surface is non-ghosting. Rounded corners for safety and comfort. Comes with adhesive squares for mounting. Backing is warp and chip resistant. Boards measure 9" x 12" x 0.125". Pack of 4 Dry Erase Boards.