Red Oak Enclosed Changeable Letter Board are made of solid North American Red Oak, milled to perfection and finished with a high gloss clear lacquer, Corners are crafted with hairline miters and sturdily fastened for a durable, long life, Standard Features include: Lockable Doors, acrylic safety glass windows, continuous piano hinges, concealed mounting brackets and a black felt covered grooved panel that accepts plastic letters with tabs positioned at 1/4"" centers, Color: Oak, Size: 24"" W x 18"" H, SKU: AARC1604