HIGH CAPACITY -The file organizer keeps each slot's papers separated and organized in a good manner. 5 pockets expandable file folder. Expandable property gives it a possibility to hold approximately 150-200 A4 sheets. UNIQUE DESIGN - Expanding file organizer is advanced than other traditional briefcase. File organizer is 5 individual pockets with cover, and enough long cord flexible elastic closer for safer storage. STABLE & WATERPROOF MATERIAL -Our 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 CLOSUR : -The folder’s 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. MULTIPLE FUNCTION: -The 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. Unique design, more convenient for you to record or modify files at any time.