Enclosed Cork Board With Swingframe Door This enclosed cork board is a great purchase for high traffic locations. Messages, memos, schedules, directories, and photos can be seen across the room on this bulletin display. An enclosed cork board, with aluminum frame, has a silver finish. Each indoor unit has a lock and key. The enclosed cork board, that has a swingframe door, is locking. This bulletin display can be mounted in public areas such as waiting rooms, lobbies, entranceways and foyers. An enclosed cork board, for indoor use, has a natural color backing. The aluminum frame surrounds the 2?? by 3?? interior to create an attractive and durable tackboard.