LED double sides light box. Item No.: A015. Snap aluminum frame, it is easy to change the poster. Size: A0,A1,A2,A3,A4 etc. LED double sides light box.Item No.: A015.Snap aluminum frame, it is easy to change the poster.Size: A0,A1,A2,A3,A4, custom-made sizes are available.Thickness: 3.00cm.Double sides.Light source: LED.