THICKNESS IMPROVED & LARGE CAPACITY Upgraded single layer thickness, thicker than the products available on the market. Very hard edge. Folders are slightly larger than A4. More document sheets are easier to store and remove. Velcro closure design: the new design Velcro closure ensures secure storage of documents, and even slightly thicker documents can fit in the bag. Unique letter label bag: simple and fashionable. The design on the front gives the files a convenient classification and makes it easier to find target documents without having to open the envelopes. 11 hole edge for binder: 11 holes pre-punched, suitable for 2/3/4 ring binders and folders. Perfect for everyday use: such as school subjects, files for office documents, home/bank cards and business cards. Strict Test Control Our products are tested by users under real conditions. If you have any problems, please feel free to contact us by email. Our efficient customer service offers you an absolutely satisfactory solution.