S2 super slim light box crystal frame Product description 1. Material: acrylic 2. Adapts double light guide panel 3. Open front cover by unscrewing them to change graphics 4. Double sided adhesive tape for fixing graphics 5. Minimum thickness: 22mm 6. Light source: led 7. Can be hung by connecting poles or steel wire ropes 8. Available in various sizes A2: 610x460x22mm(frame size)/508x368mm(image size) A1: 810x600x22mm(frame size)/708x498mm(image size) A0: 1100x800x22mm(frame size)/998x698mm(image size)