1、Two Layers Of Fireproof Protection :Made Of Liquid Silicone Fiberglass Cloth With Heat Blocking Aluminum Foil Inside, . Our Fireproof Envelope Is Also Highly Water Resistant To Keep Your Items Safe No Matter What.2、Fireproof & Waterproof: The Biggest Difference From The Traditional Bag Is That It Is Not Only Waterproof But Also Fireproof And Can Withstand Temperatures Up To 800℃ .3、Large Capacity & Dirt Resistance: The Space Of The Fireproof And Waterproof File Bag Is Large Enough, Don't Worry That Your Things Can't Fit.4、In General Fires, Valuable Materials Stored Inside Can Be Saved And Protected With Certain Waterproof Functions.5、This Fireproof Money Bag Protects Your Documents & Files Including Legal Contracts, Passports, Licenses.