PVC,Waterproof, tear-resistant and durable. Comes with a handle, convenient to carry, and can be hung down. Also, it is snap-type, so you don't have to worry about the documents falling out. The expansion folder has 13 pockets, and each inner layer is independently managed. Folder design is clear, simple and inspirational. You can scroll the contents of the folder quickly without opening the folder. It makes it convenient to find, store and play files, save it in more convenient file formats, simplify storage, and say goodbye to clutter. This transparent folder is suitable for organizing documents in school, work, home, business trips, etc. Holds various banknotes, stamps, receipts, business cards, bills, ID cards, photos, stationery, documents, etc. Ideal for students, employees, teachers and other office workers. With this set of tools you can easily and safely organize your documents.