Horizontal and Vertical file bag with string fastener closure: A4 horizontal size: 320*230mm, A4 vertical size: 310*235mm, either of the file bag can hold up A4 paperwork or documents. And long string fastener allow to hold less or more papers Ideal file storage bag: made of Kraft material, thick, moisture-proof, the Kraft file folder can keep your documents intact for long time collection. A number of coils sealing can store the files securely, prevent files from missing, damage or moist. A perfect file transfer assistant Convenient for file storage or transfer: 10 pack of file bags is convenient for you to separately store your documents for easily find the files you need Easy to access to documents: just hold on the end of the string, you can easily open and close the file bag by taking a few more turns between the two buttons Multifunction file bag: durable Kraft file bag suitable for many occasions, can be file folder for various document storage such as office paperwork, business contract documents or school students/teachers test paper. Also can be file bag for bills, certifications or other documents collection, or files pouch for documents transfer