Pocket Extension Folders with Tab Inserts, Document Document Receipt Organizer, A4 Letter Size, Black-Pocket Extension Folders with Tab Inserts, Document Document Receipt Organizer, A4 Letter Size, Black. EASY TO CLASSIFY AND FIND: Our expansion folders are designed with 7 expandable pockets, perfect for sorting all your different files neatly. Label inserts are provided to label each pocket so you can find the paper you need quickly and easily. Everything is in order and goodbye to chaos! Mass Storage: Product size is 13*9.6*1.7 inches, 7 separate pockets. This accordion-style folder can be fully expanded to hold up to 300-500 sheets of Letter and A4 size paper. It's big enough to hold all the files without all piling up. PREMIUM QUALITY: Our accordion file organizer is made of high-quality material, PVC-free, no odor, strong and tear-resistant, not easy to break and deform. The folder organizer is waterproof to keep your important files clean. The simple and stylish appearance is for a better visual experience. Suitable for long-term use. SAFE AND UNIQUE DESIGN: The file organizer features a flip cover with an elastic cord buckle to store all your files inside and not easy to drop. It is much safer to carry this expandable folder from one place to another. Provides two back card slots for business cards, project names, etc. Versatile: Our document keeper can store letters, A4 paper, homework, receipts, invoices, birth certificates, contracts and other important documents. Perfect for school, office, home and travel use, or as the perfect gift for teachers, students, engineers, designers, office workers!