About this projectWell-constructed: Made of hard-colored plastic with reinforced fabric on both sides. Waterproof and sturdy to keep paper safe. Acid-free, PVC-free and archive quality for safe storageZipper Closure: This extended folder features a zipper design to keep the files inside more secure. Easier to carry from one place to another and less likely to lose something.Ample space: Product size: 350*270*35mm. 13 separate pockets, each expandable up to 1 1/8", it's large enough to safely store all your important documents without them all piling up, yet compact enough to carry in a backpack . (Perfect for Letter and A4 size paper)Sticker and Extra Front Pocket: Comes with a colorful sticky label for marking and quick identification of folder contents.