the tent frame structure material:aluminum alloy 6061/T6. rusty,light weight,easy to build. 1.the tent pvc fabric material is senior synthetic fiber and double pvc.it has high strength,prevent bask in flame retardant,ect.2.the volume of frame is small after removal,it is easy to transport and storage,which is the best choice for outdoor event.3.the maximun allowed wind speed is 100km/h.