1 the frame of big outdoor show tent is made by aluminum 6061\T6 2 easy to transport and assemble 3 TUV approval,ISO9001: gazebo round proof tent Size: 1)Span Width: 3m,6m,8m,9m,10m,12m,15m,18m,20m,21m,25m,30m,40m. 2)Length: not limited,extended by 3m and 5m. 3)Eave height: from 2m to 10m,standard is 2.5m and 4m. Specification as below: product specstentspan width(m) length/bay (m) side height(m) ...