Exhibit your important information and documents for all the world to see without allowing all to touch in an Enclosed Bulletin Board. The lockable hinged doors feature shatter-resistant acrylic to keep your display clean and undisturbed. The natural cork posting surface is self-healing and will withstand repeated tacking. Overall depth measures 2-1/4" deep. Interior depth 1-1/4". Specially-engineered aluminum framed models, with natural colored tackable vinyl bulletin boards and weather-resistant backing are available for outdoor use.