Ghent's Enclosed Letter Board with Two Doors lets you post important times, dates and school information. Lock the shatter-resistant acrylic doors to keep vandals from tampering with your messages. This indoor/outdoor unit has vinyl letter boards, a special backing and a strong aluminum frame. Choose from two attractive colors. Includes a set of 3/4-inch plastic Gothic-style letters, numbers and characters. Safe for outdoor use when mounted on a wall under an awning or overhang.