1、Lightweight And Portable: Fireproof document bag has 38 x 30.5 x 6.5cm size, light weight, with handle, perfect for traveling. It can be folded arbitrarily without taking up space. 2、High Temperature Resistant: Double fireproof design, the outer layer uses silicone fiberglass cloth, the interior uses aluminum foil, temperature resistance up to 1000℃. 3、Flame Retardant: When the battery charging accidentally burns or explodes, it can effectively isolate the battery from the outside and achieve the purpose of extinguishing the fire. 4、Battery Protection: This fireproof document bag can also be used for all kinds of battery charging protection, safe and environmental protection, more worry free. 5、Multipurpose: The fireproof and waterproof document pouch can be used to store valuables, important documents, certificates, money, jewelry, or laptops, etc.