1、Wire Binding Spines: The wire binding spines have 30 holes, 12mm diameter, length can be cut.2、Closed Column Lock Design: Closed column lock design, each link has a mortise lock bead to close more firmly.3、Small and Stylish: With fine workmanship, the appearance is small, fashionable and easy to carry.4、Paper Quantity: About 85 sheets of paper can be combined at will, and the inner pages can be turned over, which can be increased or decreased at will.5、Wide Applications: It is suitable for organizing emails, memos, test paper collection, and data organization. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.