[Premium Fireproof Material] Fireproof document box is made of 15mm premium fire-retardant,non-itchy silicone-coated fiberglass,thickened fireproof aluminum foil and hard-shell material,used fireproof zipper and fireproof threads.The fire resistance has improved significantly,withstand temperatures of up to 6400℉ in short time.It can protect important documents from carbonization and damage,which had passed the simulated fire tests.Fireproof safe box can effectively protect your important documents,cash,cards and other valuables in a fire,flood and wet weather