For indoor use only. Enclosed Aluminum Framed Bulletin Boards are made of custom extruded parts engineered to provide accurate, durable and handsome cabinets. All corners are neatly mitred and assembled with heavy duty reinforcements and fasteners. Standard features include: Lockable doors, acrylic safety glass windows, continuous hinges, concealed mounting brackets and natural pebble grain cork background. Our boards are light duty but made to last. Use for announcements, promotions, notices and other uses in public areas. This economically priced unit is constructed with an overlap two-pieces door frame.