"EXPANDABLE & LARGE CAPACITY- Expandable 24 colors individual pockets for reliable partitioning for A4 size paper. Each pocket offers a generous amount of space, expanding to 10 inches. Its expandable bottom adds additional capacity to hold approximately 3000 A4 sheets. Product Size: length: 13 High: 9.4'', width:1.96""-27"".^MULTIPLE FUNCTIONThe expanding file organizers can store various documents, for instance papers, receipts, name cards, vouchers, coupons, etc. Suitable for home, office, school use and travel, simple and fashion.^STABLE & WATERPROOF MATERIALOur accordion folder is made from high-quality polypropylene (PP) plastic material (nontoxic and nonradioactive), which is environmental and friendly, also not easy to break or deformation. It's very stable and waterproof.^Secure Flap & Cord ClosureThe folders full-size flexible flap and cord closure provide added security. To access stored items, simply fold back the flap. When finished, return the flap up and over the top of the folder and secure it in place using the cord closure.^Any problems about the Filing Folders, please feel free to email us, it is our pleasure to help you."