Sturdy Construction: Made from reinforced PP panels supporting substantial weight capacity, with resistant exterior Reflective markings secure visibility in dim environments, safeguarding critical documents from heat damage Enhanced Thermal execution: This document storage box features thickened silicone coated insulating layers with aluminum foil lining, maintaining integrity in temperatures up to 5200℉ ( double promise Spacious Interior Dimensions: Measuring 15.6 " x 12.5 " x 10.5 ", it stores letter and legal size documents, books, and valuables efficiently Practical Portability: Foldable for compact storage when unused Features a combination for security and contoured grip for easy transport Ideal for home, business, or vehicle applications Modern Metallic Finish: Combines sleek metal aesthetics with minimalist particulars to improve contemporary spaces while meeting high security needs for financial, legal, or discerning users