HIGH-QUALITY MATERIALS: The accordion folder is made of ultra-durable and environmentally friendly PP material and Oxford fabric, which is waterproof and strong, and is not easy to break and deform.^ A LARGE NUMBER OF ROOMS: 13 separate pockets, suitable for A4 size and Letter size, each pocket can be expanded to 1 1/8 inches, it is large enough to store all safely Important documents without binding all the documents together, but also compact enough to be put in a backpack. It is a good assistant in your office life.^ CLOSE THE ZIPPER: This extended folder has a zipper design, which can make the files inside safer. Even small cards will not fall off, which is safe and convenient to carry.^ MULTIPURPOSE: Keep your holiday documents, vouchers, cards and coupons neat and orderly. It is the perfect document organizer for home, office, school use and travel, simple and stylish. Ideal for collecting cards, pens, rulers, highlighters, keys and other commonly used small items.^ AFTER-SALES SERVICE: We are committed to providing customers with satisfactory service. If you are not satisfied with our file storage bag, please contact us immediately by email, we will provide you with satisfactory service.