Write-On A-Frame Black Matte MDF Frame Liquid Chalk Menu Stand with 20&rdquo;w x 42&rdquo;h Writable Message Area &ndash; Tall Sandwich Board, Double Sided Double-sided black MDF display board attracts customers from both directions. Wet erase/liquid chalk markers wipe off easily with wet cloth. Hinge and chain keep sign from collapsing. Designed to fold flat for businesses with nominal storage. Displays2go SKU#: AF2042BKES