LED Crystal Light Box 1,super thin and high brightness ... A3,A4 4,energy-saving Thanks for Visiting!LED Crystal Light BOX ProductLED Crystal Light BoxMaterialacrylic panels,5-8mm light guide ... install, changing painting simple3.environmental friendly: materials in frame and plate can be recycled.Technicssilk-screem print or ... and four protect horn, individually paper carton boxes LED Crystal Light Box