1.What You GetPockets Expanding File Folders, which can store letters, A4 paper, documents, invoices, contracts . The document paper folder is easy to carry, can be put in your backpack, briefcase, luggage etc2.Durable & WaterproofThe accordian file folder is made of high quality environmentally friendly PVC material with stretch cords, strong and flexible, tear-resistant and waterproof, providing complete protection for inside documents and fillin3.Pockets Large CapacityThe expanding file organizer providesindividual pockets for large holding capacity to store up to 150-200 paperwork of A4 size. 4.Wide ApplicationThis sturdy and stylish expanding file folder does good job in storing and organizing utility bills, invoices, letters, tax forms, receipts, A4 paper and other documents. Suit for school, office, and home use. Small enough not to take up too much space for travel.