... zinc powder-coated steel.3)The frame is strong,durable,light in weight,not easy to rust and distort. Cover Material:1 ... windows,glass door,slide door,folding door,tent,floor system,weight plate,lining and curtain,lighting,rain gutter,pins ,carpet,tables ... fence / tent ABS wall / tent toilet / tent partition / tent weight plate / tent light /PVC tent/big tent/catering tent/event tent /marquee ...