Multifunctional file storage bag that serves as a portable briefcase and document organizer. Made with high-quality material and exquisite workmanship, it provides practical and durable storage for documents, certificates, and other important papers. Key benefits - Versatile 4-in-1 design: a file storage bag, portable briefcase, folder organizer, and certificate bag in one compact unit. - Privacy and security: built-in code lock keeps contents private and inaccessible to others. - Space-saving and compact: small, unobtrusive footprint that is easy to store when not in use. - Lightweight and portable: comfortable to carry on commutes, to meetings, or during travel. - Durable construction: high-quality material and precise workmanship for long-lasting use. Important attributes - Function: multi-role file and document storage with secure access. - Compatibility: designed to hold documents, certificates, and related papers in a compact folder. - Size: compact and small to minimize space usage. - Material: high-quality material with refined workmanship. - Performance: reliable privacy protection and everyday practicality. Use scenarios - Office or business travel: keep contracts, project plans, client documents, and certificates organized and secure while commuting or at meetings. - Personal document archiving: store tax records, diplomas, permits, receipts, and other important papers in a single, protected bag. - Education and exams: carry study materials and official documents securely between home, campus, and examination centers.