Displays2go 24" x 36" Enclosed Cork Board with Locking Door - Black (LCRK2436BF) Contains a single swing frame door with acrylic window for making updates and changes. 24"x36" bulletin board is large enough to accommodate a large selection of announcements. Enclosed design with locking door keeps messages protected. Natural cork display surface can be used over and over again. Displays2go SKU No.: LCRK2436BF