1. File Holder Can be used to store files, certificates, books, etc. A briefcase with large capacity. 2. Portable Briefcase quality materials and craftsmanship, practical for use, home file organizer. 3. Document Storage Bag for use in the office, at school, and at home, portable briefcase. 4. Document Organizer Compartmentalized design, neat and tidy, practical for storage, portable briefcase.