What You Get - 1x Black 13-pocket Expanding File Folders, Size: 33*24*3.5cm, which can store letters, A4 paper, documents, invoices, contracts and regular US papers, fit maximum 150-200 sheets of paper. The document paper folder is easy to carry, can be put in your backpack, briefcase, luggage etc. Durable & Waterproof - These file organizer expanding folders are made of high quality PP, strong and flexible, tear-resistant and super-durable. Waterproof and moisture-proof material can keep your important documents clean. Expandable Pockets with Tabs - File jackets have 13 expandable individual pockets to keep different documents neatly sorted into sections, Comes with tab inserts so you can label each file and find it easily, help you get everything in order without any messes. Secure Design - Our folder organizer features flap with elastic cord closure, protect documents safe and firmly in place during transport, allow you to take your files where ever you go. Widely Use - Our accordion folders are perfect to organize utility bills, invoices, letters, A4 paper and other documents. Ideal for school, office, home use, or as perfect gift for teachers, students, doctors, engineer, designer, researcher, salesmen etc.