1. [Visible Design] No need to dig you in confusion. The case case completely clearly knows what is inside, without having to open it to easily access these items. 2. [Safety Storage] Dual lock -up snapshot design makes the plastic project tightly and seal well, and prevent the drop or damage of the internal items, which can well protect the internal document work. 3. [Large -capacity] Hold a lot, not only files, but also things like some pen. When placing it on the desk or shelf, it will not take up too much space, but to make the work space well organized. 4. [Material] Made of high -quality PP plastic materials and can be used for a long time. This is not hard plastic. It is slightly flexible. It is not recommended to place heavy objects. And dustproof, waterproof, humidifying, easy to clean. 5. [Multifunctional Shell] Reservoir, for documentation, tools, photos, stamps, handmade, cosmetics, jewelry, puzzle, game card, game card and other accessories.