The document describes the Xtreme Cube portable facility. It offers two cube sizes, the XC850 and XC1000, which measure 8.5x10x10 feet and 10x10x10 feet respectively. The cubes provide over 700 and 850 cubic feet of interior space. Standard features include a welded steel frame, reinforced steel walls, and plywood flooring. Optional features include climate control, windows, insulation, and floor upgrades. The cubes can be used for offices, storage, work spaces, and various emergency facilities or military applications.