... ,9m,12m,15m,18m,18m,20m,21m,25m,30mLength:unlimitedFrame materials:1.High-strength aluminium 6061/T6 or steel aluminum2.main ... height:2.5M4.Top height: 3M Roof cover and side wall materials:Double PVC synthetic fiber cloth,symbols, Germany standard DIN02B1 M2 ... ,water-proof,snow-proof ) Roof cover weight: 850G/SQM Side wall weight:650G/SQM Windows :transparent PVC the weight is 650G ...