12×20 FT Carport Canopy Portable Car Garage with Metal Roof Adjustable Height. Durable Steel Frame? : Sannwsg carport frame measures 12x20ft and is made of powder-coated steel, which prevents chipping, peeling, rust, and corrosion. The 1.5″ wide 8-legs, 1.65″ diameter connectors, thickened base plate, and extra ground stake make the entire structure more durable and stable. 4 ADJUSTABLE HEIGHTS? – There are 4 options of the side height for this metal carport, which is 6.5ft, 7.0ft, 7.5ft and 8.0ft, accordingly peak height 9.5ft, 10.0ft, 10.5ft and 11.0ft. You can choose a suitable height for your different needs. Easy to Set Up and Take Down? : We’ve made the setup process easy with numbered parts and easy-to-follow instructions. Using spring buttons and ball straps for the connection of parts, no additional tools are required, saving time and energy. You can set it up in no time! Please see below table to find details service level. We are a professional worldwide wholesale company. High product quality, reasonable prices, excellent customer service and a reliable credit standing is our tenet. Feedback is very important to us. We will do our best to solve your problem as soon as possible. Thank you for your visit and welcome back. There is a time zone difference but we will respond you within 24 hours except on weekends and Chinese holidays, hope for your great understanding, thank you so much! All in all, wish you enjoy a pleasant shopping experience!