Upgraded Fireproof Protection: Engineered with multi-layer thickened aluminum foil and fireproof insulation, this fireproof file cabinet delivers unmatched flame resistancetested to withstand heat for 30+ minutes without documents damaging. The reinforced aluminum foil core ensures multi-layer thermal shielding, with sealed heat-resistant layers including an oxygen barrier to starve flames and prevent paper combustion/charring, while fireproof threads and seams prevent flame penetration. SGS Certified (UL94 VTM-0) for superior performance, fireproof file box safeguards passports, USB drives, and critical documents from flames Large Organized Storage: With exterior dimensions of 16.9" x 12.6" x 14.2" (interior: 12.99" x 10.24" x 11"), this fireproof box is specifically designed to accommodate letter-size files (but is not suitable for legal-size files), while providing ample space for photos, passports, and important documents. Its versatile design serves as