SMOOTH ZIPPER CLOSURE: H4D accordian file organizer features a one-way zipper that is convenient for documents access and storage. Zippered accordion folder helps to keep your files secure inside without worries about losing important papers anywhere | 13 POCKETS FILE FOLDER: 13-Pocket Expanding File Folders are a great way to get all those loose documents in order. Each pocket expands to 7/8", capacity is perfect for holding up to 300 sheets of A4 school/office papers, letter size documents together to meet the practical need | FRONT ZIPPER MESH POCKET: A roomy mesh pocket with zipper closure added on the front, designed for taking more school office supplies like pens, eraser, calculator, or receipts, invoices papers storage with this expandable file folder organizer | TABS WITH STICKY INDEX: This accordion file comes with A-Z & Monthly text label for easy subdivision, office files can be neatly sorted by the compartment and users can locate their files accurately by the top divider tabs to save time | DURABLE CONSTRUCTION: Made from acid-free polypropylene. Lightweight, flexible with high strength PP plastic file folder is shock & water proof to protect your documents from water and tear damages. Reinforced webbing make edge smooth and long-lasting for use