Heavy galvanized corrugated steel with angle iron frame (a 10' x 21' has over 350' of angle iron framing). Approximately 10 ft. wide and 6 ft. 3 in. high. Shipped in 7 ft. sections. Two 10' x 21' shelters can be hauled in your pickup. Includes: 4" x 4" wood skids with pull straps, 10" steel wall protectors on inside; braces and bolts; spreader bar for front. Built for livestock, can be used for garage or machinery shelters. Approximate sizes: 10' x 14'; 10' x 21' or longer.