What you need for high foot traffic areas is an enclosed lockable magnetic bulletin boards that keeps your announcements safe and secure behind the locked glass door ensuring that items posted can only be removed by those with the authority to replace them. You can display 4x(8.5x11 inch) or A4-sized papers at a time. The board has a highly durable magnetic backing that the magnets firmly hold your signs in place without falling out. A set of magnets are included. It is made of the finest materials while providing the highest quality. The aluminum profile makes the product durable yet light for easy carrying. Suitable for indoor use. You can use the boards of your notes, messages, pictures, memos, calendars, menus, reminders, and more and effectively deliver your message to students, employees, attendees, and visitors.