[Steel Frame] 1.6'' / 19 gauge high-strength steel poles, 27 gauge sheet metal; All parts coated with triple coating to extend the lifespan [Built to Last] 130° roof angle design to increase the top load-bearing capacity by 40%(compared to other 160° flat top carports); with multiple roof & side reinforced bars improving anti-high wind performance up to Beaufort 12 [Ample Space] D x W x H: 230'' x 143'' x 103''; side poles height - 6'4'', you can easily park a full-sized pickup truck, a sedan, or a boat inside [360° Protections] Include 220 g PE tarp to protect your investments from elements; front and back roll-up doors to ensure easy access [About Assembly] Packaged in 5 boxes and prepare electric drills and ladders before setting up the carport; assembly needs 4 people, and the estimated time is 12 hours