Price reduction only for time sales. --- Purchased a few years ago. I bought it, but I've been storing it. It can also be used as a hard pouch. It has places to put pens and a section to hold thin items. Size: Closed: Approximately 17 x 23 x 2.5 cm Open: Approximately 34 x 23 x 1.5 cm Measurements are approximate, so there may be some error. Because it's a black material, small dust particles may stick to it. Please understand. --- iPad case, tablet case Notebook cover, planner, schedule book Hard case MUJI