Description Report Item / Suspicious Activity .Both the front and back are plexiglass, which can perfectly display your work . 4cm space between two layers of glass. You can make various three-dimensional works by DIY, and you can also put specimen photos and paintings. . Note:- Carefully remove the fittings to avoid missing or scratched.- Please make sure your address is correct or complete before place order;- If you have any questions, please contact us directly. You can leave us a message. . Please tear off the protective film on both sides of the glass