1.Use-friendly Material Made of hard colored plastic . Waterproof & sturdy enough to keep papers safe. 2. Letter A4 Size Accordion File Organizer pockets expanding file folder handle bag is perfect for letter / A4 paper size paper sheets. 3. Plenty of Room: individual pockets, it is large enough to keep all of your important documents securely without getting all bunched up but also compact enough to carry in a backpack. Capacious expanding file folder can hold 500 sheets of A4/ Letter size paper. 4.Visible with LabelsComes with a sheet of colorful labels for marking, identifying the contents of file folders quickly. Each pocket can be labeled with assorted color tags to classify and get quick access to your documents. 5. Durable Buckle Closure & Ergonomic Handle Adjustable organizer handle provide more comfortable carrying experience. Durable and strong buckle closure, firmly. Flap with buckle closure offer more protection and security to your important document and paper. And it also allow you easier to open and close the file organizer.