Product description: document test paper organizer bagMaterial: PPColor: blue pink green blackSize: 350 270 35mmPackage content: subject organizer bag *11. Reasonable structure: made of rigid colored plastic and reinforced fabric. Waterproof and strong enough to keep paper safe. Acid-free, polyvinyl chloride (PVC) and archival quality for safe storage2.ZIPPER CLOSURE: This expandable folder is designed with a zipper to keep the files inside more securely. It's easier to carry from one place to another and less likely to lose things.3.ENOUGH SPACE Product Size: 350 270 35mm. 13 individual pockets, each expandable to 1 1/8 inches, large enough to safely store all your important documents without letting them pile up, and small enough to fit in your backpack. (Suitable for Letter and A4 sized documents)4.ADHESIVE LABELS AND ADDITIONAL FRONT POCKET: Comes with a sheet of colorful adhesive labels for marking and quickly identifying the contents of the folder. The front pocket is 3.5 inches deep and is perfect for pens, highlighters, and other commonly used miscellaneous items.