TSV fireproof document bag can withstand temperatures up to 1832℉ the outer layer is made of high-strength fireproof material and the inner layer is made of aluminum foil making it the perfect protection for your valuable documents and belongings in case of a fire. This fireproof safe storage pouch with zipper is perfect for home or office use and combining it with a fireproof safe box provides the ultimate protection for your valuables in any fire accident.