All parts are produced from 3mm thick wooden MDF material. It is attached with the double-sided tapes that are included in the package. Area Covered (Standard 20 Framed Model): 110x59inches *Since the product is in pieces, it can also be applied in larger or smaller areas. – Frames are Suitable for 4×6 inches Standard Photo. You can easily install it with the double-sided tapes and application paper in the package. You can use it again at any time by removing it carefully and renewing the tapes on the back.