Enclosed bulletin board units are perfect for displaying notices, posters, and other communication. Doors are fully lockable. Tumbler pin locking doors with key. Framed doors are made with tempered glass and continuous piano hinges. Each bulletin board is backed with resilient, natural pebble-grain cork. 3?4" inside depth. All enclosed boards come with a 10 year warranty. These handcrafted enclosed boards are the best in the industry. Hanging hardware is included.