1,Specification for the polygonal 1)The size of this product can be customized towards your requirements 2)Frame Material: hard pressed extruded aluminum alloy 6061 /T6 3) The maximum allowed wind speed is 80km/h. 2,Polygonal application The polygonal marquee can be widely used as the weddings, parties, exhibition, conferences, festivals celebrations, corporate events or other events, etc. 3, ...