It is resistant at temperatures of up to 860 °C for at least 30 minutes, ensuring that your valuables are safely stored in case of a fire. Water also poses no threat to the document box, as it remains waterproof even when fully submerged. The document box has a volume of 5.5 liters, accommodating documents in A4 size. It is securely closed with a clamp lock, which comes with two keys to lock the box. A practical carrying handle allows for comfortable transport. Please ensure adequate ventilation by regularly opening the box to prevent increased humidity in the airtight interior.