Wide application for daily use in the home office or school. Ideal for storing receipts, organizing school files, travel documents, homework, and coupons. Plastic storage boxes: made from high quality plastic that is lightweight and waterproof, providing long term protection for documents. Portable storage box with handle: has a handle design for easy carrying and storage. This portable document bag can stand on a desk for quick access, making it easier to find and take files. Waterproof feature: a waterproof file organizer. A practical option for people who often carry business documents when going between locations. Practical use scenarios: - At home or school: organize receipts, school papers, travel documents, homework, and coupons. - On the go: carry essential business documents to meetings or while traveling. - In the office or during errands: keep important documents safe and accessible between activities.