It is resistant for at least 30 minutes at temperatures of up to 840 °C, ensuring that valuables are safely stored in the event of a fire. The document box is also impervious to water, as it remains watertight even when completely submerged. With a volume of 4.9 liters, the document box is securely closed with a clamp closure. The clamp closure comes with two keys, which can be used to lock the box. A practical carrying handle allows for comfortable transport. Please ensure sufficient ventilation by regularly opening the box to prevent increased humidity in the airtight interior.