1)crystal light boxSize: A0,A1,A2,A3,A4, other sizes are available, 2)depend on the customer's request. 3)Single side. crystal light boxSize: A0,A1,A2,A3,A4, other sizes are available, depend on the customer's request.Single side.Low power consumption, light distributed evenly, Graphic printing can be changed easily.Elegant and fashionable appearance.