Safely display information for your students with Ghent's Outdoor/Indoor Enclosed Letter Board with Three Doors. Lock the shatter-resistant acrylic doors to keep vandals from tampering with your messages. This unit features vinyl letter boards and a strong aluminum frame. Choose from two colors and a number of sizes. 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.