Our product is produced as gold plexi on 3mm black MDF. Our product is 3 pieces and the size of each product is 23*14 cm. 23x48 is the total area occupied by the set. This measurement may vary depending on the mounting range. THERE IS A PROTECTION FILM ON IT, PLEASE REMOVE THE PROTECTION FILM. PROTECTION FILM PROTECTS BURNS, SCRATCHES, ETC. FROM LASER CUTTING. PREVENTS SUCH SITUATIONS. It is sent with double-sided tape so that you can apply it to the back of our paintings. There is protective gelatin on the mirrored plexi parts to prevent scratching.