The folding type keeps the paper you dont want to see. In addition, the lineup of characters and designs allows for easy file management and separation management. ■ Compatible with A4 size ■ The surface has been treated with PP coating, making it resistant to water and stains. ■The clip is non-slip ■ Steel guard is attached to prevent corners from crushing ■ There is a pocket on the inside. ■ Can be folded 360° for easy writing.