Made of Oxford tarpaulin with strong waterproof performance, this storage box protects important documents from rain in daily life. If splashed, simply dry with a towel; it is not designed to be soaked. It is also resistant to abrasion and scratches. It safely stores all A4 and legal format files, money, passport, U disk, cards, laptop, and certificates, keeping them neatly organized for easy access next time. A built in combination lock helps keep valuables and important documents safer wherever you are. Lightweight and portable, this organizer bag features a sturdy woven handle for easy carrying as a briefcase. On the back, a wider, stronger fastening strap can be attached to a luggage handle. The size is convenient for home storage, travel, or office use. Use scenarios - Travel or commuting: carry passports, cards, money, USB drives, and documents securely and accessibly. - Home or office organization: keep A4 and legal documents, certificates, and devices neatly stored and easy to locate. - Business trips or on the go: lightweight briefcase style design with luggage strap for convenient transport and security.