Product Description ※ The outer surface of the fireproof bag is coated with fire-resistant silicone on fiberglass. [About the product] High-quality, silicone-coated fiberglass and flame-retardant thread double-layer protective structure. Heat resistance: Approximately 1000°C [Shipping] This is a fireproof valuables bag, so anonymous shipping is available, ensuring the safety of personal information. To keep the price down, we will ship quickly via (Yu-Packet Post Mini).