Heat would ruin papers even without fire. That why we added thermal insulated mid-layer to keep your important papers 100% safe! To avoid itchiness and splinters caused by exposed fiberglass, interior is coated with aluminum and the exterior with silicone for the best protection and ultimate comfort. Cioey fireproof bag is capable of holding up to 45 lbs, durable and ready to withstand anything. Travel on-the-go with the durable design and lock it to ensure the ultimate security. Reinforced seams on the shoulder strap and handle, high density straps, lockable zipper, 50% wider hook-and-loop fastener, easy-to-clean coating and foldable design, details make the difference! Effortlessly put in and take out your 3-ring binders, photo albums, family Bible, laptops, and other large documents. No more getting stuck, no more damaging your important documents! 0.55 cubic feet larger capacity (16 x 12 x5 in inches) - Safely stow more valuables such as money, jewelry, insurance, passport, DVD, notebook, birth certificate, car titles, legal documents, etc. It can be simply folded to store in the fireproof safe, fireproof lock box, etc for double security. *Lock is NOT included *Do not immerse or wash the bag in any liquids. *This Cioey fireproof bag is capable of resisting high temperatures and fire exposure, but like many fire-resistant objects, it cannot resist fire for an unlimited period of time. Please keep fire exposure to a minimum.