Poster frames which are lockable and waterproof. Available in eleven stock sizes and seventeen finishes. This poster frame can be displayed portrait or landscape and door stays keep the door open whilst the image is changed. This is a high specification poster system and our most popular external poster frame. Our key lock pin boards are watertight again rain suitable for outdoor applications. Strong extruded aluminium frame with a strong plastic poster cover and a water seal to protect your signage. The back board is a felt pin board suitable for a range of media types.