The frame can be used horizontally or vertically. Durable and lightweight plastic; frame is easy to hang. Protective plastic front sheet for safe use. You can also use it without a mat with larger pictures. PH neutral material; Do not discolor the picture. Useful information Different fasteners are required for different walls. Pick up the screws, dowels, screws, etc. that are suitable for your walls (etc.). Mats attached. Care instructions Clean with a dusting brush. Dimensions of the goods Painting without a mat, width: 21 cm Painting without a mat, height: 30 cm Painting on a mat, width: 13 cm Painting on a mat, height: 18 cm Internal mat size, width: 12 cm Internal mat size, height: 17 cm