13-Pocket Expanding File Folders are a great way to get all those loose documents in order. Storing receipts, financial records, important documents is made easy with the versatility of 13 pockets and an elastic band closure to ensure all contents inside are safe and secureUnique transparent window design keeps inside visible, customers can easily check the internal file documents details without frequently opening this file folder organizers cover, this new idea makes daily use more convenient and fasterMade from acid-free polypropylene. Lightweight, flexible and textured poly is moisture-resistant to protect your documents. Reinforced webbing make edge smooth, it improves holding comfort also adds durability for usingEvery divider features individual tab with larger write-on areas to add custom labels. Blank writting label included for people to manage documents by making monthly, A-Z alphabetical tags or any other DIY markersThis accordion folder fits for letter size/a4 papers, each pocket can be expanded to 7/8" for easy access, total storage capacity up to 250+ sheets Perfect for storing and organizing testpapers, reports, bills, and homework or any smaller important documents