Brand New and High Quality. Made of durable nylon material, this double-layer document storage bag features breathable mesh pockets and a sturdy metal zipper. It is designed to keep your office or school documents organized and within reach. The bag has a portable handle for easy carrying and can be hung on the wall for convenient storage. It is suitable for storing and categorizing teaching materials, books, meeting records, important documents, stationery, notebooks, and other items.