Constructed of a galvanized steel frame and UV resistant and flame retardant polyethylene double cover with a reinforced woven backing for long lasting durability. Use for agricultural, industrial and multi vehicle storage protection from elements. Tensioning system and wind release flaps withstands wind and rounded top provides rain and snow runoff. Designed for quick assembly. Includes 14 earth anchors plus auger-type anchors to keep building secured. Size is 30' W x 40' L x 15' H. Opening is 11' W x 12' 6" H. Color isWhite. Capacity is 1,200 cubic feet.