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A neon (or glass) message board or glassboard is an erasable luminescent whiteboard-like writing pad that enables users to leave messages for others. They have been a common way of displaying daily specials at restaurants. Colored fluorescent non-permanent wet wipe markers are used to write notes, messages or menus on the board, which is illuminated from the edge by a fluorescent light, usually a blacklight tube.
The message board is cleaned by wiping a wet tissue or cloth across the surface to dissolve the markings. A dry tissue or soft cloth is then used to remove the residue. Board surfaces are typically black in color, and neon message boards often come with bright colored markers that are green, yellow, orange or pink.