High-quality fireproof material, safe and environmentally friendly: the outer layer is made of upgraded liquid silicone fiberglass cloth with low thermal conductivity and strong fire resistance. It can withstand 1000 degrees (1832°F) and has a smooth without causing skin discomfort. The HOOk & LOOP and fire zipper keep the flame from entering the interior. In addition, the bag is extremely and not easy to tear. The outer layer is fireproof, 2 inner layers, one of which is an electronic shield and the other is a normal layer. Large capacity, placing mobile phones, mobile power, notes, jewelry, checks, cash, passports, license coins, precious photos, etc. Waterproof design, , anti-aging, anti-, always your valuables and information size:20x10cm Material:Fiberglass cloth colour:Black Package Contents: 4 x Folder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.