Features: 1) Materials: 1000D double PVC coated polyester textile, waterproof 2) Fabric weight:620~850g per sq.m.,according to the DIN4102(Germany) B1(China) norm 2) Frame: steel(90%)&aluminum(10%) or aluminum(90%) 3) Frame dimensions: 60x40x2mm / 100x50x2mm/ 209x115x5mm etc. 4) Span width: 3m, 4m, 6m, 8m, 9m, 10m, 12m, 15m, 18m, 20m, 21m, 25m 5) Length: 6m, 9m, 10m, 12m, 15m, 18m, 20m, 21m, 24m, 25m, 27m, 30m, 33m, 36m. Packing: Pearl ball cotton. Span width below 18m, Material could be steel(90%)&aluminum(10%) or aluminum(90%) Span width above 18m, Material must be aluminum(90%).