Fireproof and waterproof construction Made from fireproof and waterproof materials that provide insulation and protection in case of fire or water leakage. Safeguards important documents and protects ID information inside. Versatile storage Suitable for photos, postcards, stamps, puzzles, journals, game cards, small gifts, and toys. Can be used in bookcases, drawers, and desktops for efficient storage. Secure lock design Builtin lock adds security to help protect valuable items. Easy to use and stack Userfriendly design allows easy access to stored items. Stackable for spacesaving storage. Use scenarios Home or office: protect important documents and ID information while keeping them organized on a shelf, in a drawer, or on a desk. Study or living area: store photos, stamps, journals, puzzles, and keepsakes for quick retrieval and neat display. Kids' room or play area: organize game cards, small gifts, and toys for easy access and secure storage.