HIGH-QUALITY MATERIAL:It is made of grey felt pin board, waterproof aluminum construction, shatter-resistant acrylic door and aluminium-plastic panel EASY TO CHANGE INFORMATION:It's convenient to post and update notice documents for office, school, hospital, restaurant, hotel, apartment and all businesses PROTECT INFORMATION SECURITY:Security locker is positioned in front of the door (4 keys included) while protecting and delivering your message and keeping information safety GOOD IDEA FOR:It is perfect for building introductions, menu signs, product offerings, school events, merchant advertising, displaying announcements, office meetings, dinner specials, renting information and more EASY TO ASSEMBLY:Wall-mounted message board is easy to install on a wall or other flat surface and installation diagrams and required tools are provided Lockable bulletin board features a durable anodized aluminum frame with a satin finish, Strong and stylish, this will be a great addition in these places such as home, school, classroom, office, department, restaurants, bar, scenic spots, farm adn gym. Shatter-resistant acrylic doors keep information safe from theft and vandalism. It's convenient to post and update notice documents, messages, pictures, memos, calendars, and stickers under the protection of key mechanisms. you can install it on any wall with fixing and refer to the installation diagram.