Super Security for Document Storage - The surface of the fireproof accordion file organizer is made of three layers of high-quality flame-retardant silicone-coated fiberglass, capable of withstanding temperatures up to 2000°F. It is highly waterproof, helping protect important documents and valuables from damage in emergencies. A reliable, portable solution for secure document organization. Easy to Store and Carry - Ideal for storing papers, letters, A4 files, receipts, cards, USB drives, pens, passports, and more. Convenient to carry during business trips or travel. The classic black color and clean design complement a busy lifestyle. Suitable as a thoughtful gift. Multipurpose Document Organizer - Functions as an expandable file folder and personal file manager, meeting various document storage needs. Unique Functional Design - Features double zippers for smooth opening and closing, reducing the risk of losing important papers. Includes labeled tabs for easy classification and quick access to files. The fireproof expandable design helps keep documents organized and identifiable.