①. The exterior is liquid silicone, and the interior is aluminum foil fiberglass cloth, which is fireproof and waterproof. ②. Exquisite workmanship, with an outer layer resistant to 1200 degrees high temperature and an inner layer resistant to 1000 degrees, making it more durable and safer. ③. The large size can hold A4 document bags, important documents, computers, tablets, or other important items. ④. Humanized design: large-area sealing paste and fireproof zipper ensure double safety and maximum protection. ⑤. Also suitable for important documents, bills, booklets, photos, credit cards, jewelry, etc. ⑥. Material: Double-sided fireproof material ⑦. Size: Approx. 38 * 28 cm / 15 * 11 inches ⑧. Weight: Approx. 263 g / 9.3 ounces ⑨. Package List: 1 * Fireproof Bag ⑩. Note: 1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding.