The 3 drawer vertical filing cabinet is made from heavy-gauge steel and it has fire resistant insulation that's secured by an internal grid of welded steel wire. It's been tested against 2 hours of exterior fire exposure at 1850ºF, a 2000ºF explosion, and a 30 FT drop. It's available in different sizes with your choice of color, Parchment shown. Quality backed by a limited lifetime warranty.