With linear Aluminum frame, high quality durable lacquered steel board or enamel board, the product is designed in simple style and can keep a long and durable life. Features: * High strength oxide aluminum frame in grey silver. * High quality lacquered steel board or enamel board. * ABS corner. * The pen tray can be adjusted according to the size of the board, convenient to install and take-down. * Different sizes are available.