Black 13.9×10.6 Inch Fireproof Waterproof Document Money Bag Envelopes Cash
From the outside to the inside, it is composed of eight layers of materials such as glass fiber cloth, heat insulation cotton, and aluminum foil, making it pass Global Flammability Standards (US labs) and Vertical Combustion Testing ( SGS UL94 V-1) certification, enough to withstand high temperature of 6200℉.