Enclosed, cork bulletin board delivers quality performance when communication is needed in any indoor environment. Three locking, shatterproof acrylic doors allow posting, protecting and easily updating important messages. Highly durable, enclosed natural-cork bulletin board is backed by high-density fiberboard. Self-healing surface and high-density backing deliver maximum pin-holding power, ensuring documents stay securely posted. Satin finish, anodized aluminum frame with full-length hinges complements any interior. Indoor bulletin board includes one key per lock. Hanging devices are factory-installed. Specially designed, security lock system secures board to wall.