All parts are produced from 3mm thick wooden MDF material. It is adhered with the double-sided tapes included in the package. Area covered (standard 20-frame model): 280x170 cm Since the product is in pieces, it can be applied to larger or smaller areas. Frames are suitable for 10x15 cm standard photographs. The product will reach you in pieces in a box. You can easily install it with the double-sided tapes and application paper in the package.