... strength aluminium 6061/T6 or steel aluminumRoof cover and side wall materials:Double PVC synthetic fiber cloth,symbols, Germany standard ... ,water-proof,snow-proof )Roof cover weight: 850G/SQMSide wall weight:650G/SQMWindows :transparent PVC the weight is 650G/SQMPVC ... * 2mm Single length: 1m, 2m, 3m, 4m, Style:straight frame, round frame, arc frame Color: Optional. Connection: screw or bolt Canopy ...