The durable Satin Anodized Aluminum frame features a contemporary radius design with mitered corners. Easy Tack Boards are ideal for schools, universities, businesses, community centers, and much more due to their simple and convenient design.Single Door Slim Enclosed Radius EZ Tack Board,42"x32",Gold/Marble These indoor boards also come with an acrylic window in a locking door that swings open on a full-length piano hinge..