... , from cheap family use to commercial use. W Professional aluminum folding gazebos fit for commercial use and outdoor events. This is ... 37 series, features as following:1) Structure: 37 x 37mm oxidized aluminum tube, 2.0mm thickness, Fiberglass high strengthened ... , sand bag, base plate, holding system, junction system4) Sizes: 3 x 1.5m, 3 x 3m, 3 x 4.5m, 3 x 6m, 4 x 8m, 4 x 2m, 4 x 4m