The fireproof file box is made of a double layer of non-itchy silicone coated glass fiber and can withstand temperatures up to 3,200 degrees Fahrenheit (about 1093.3 degrees Celsius). Has passed SGS TEST(UL94 VTM-0 certification) certification. Fireproof file boxes are not only fireproof, but also very waterproof to keep items dry, clean and protected in any fire incident. Perfect storage design Size :39.5*31*25.5. The file box with lock is suitable for hanging letters and legal-sized folders. A spacious storage compartment space holds important items such as important papers, folders, comic books, CDS, birth certificates and other valuable items. Top compartment with lots of mesh pockets, card slots and large slots to keep your DVDS, USB, passports, cards organized and easy to find. With high-quality combination locks and durable metal zippers, you can safely protect your valuables in your office or house without worrying about strangers easily opening your storage box. The entire box for organizing documents has been reinforced to increase rigidity, making the file storage box super stable, and you can stack multiple boxes without worrying about being crushed. The sides and top of the fireproof box are designed with sturdy handles for easy lifting, and you can put it in your home, office, car, and other places. Practical card slots allow you to find anything at any time. When not in use, use the folding function to release the foldable file box - smooth and neat.