... tents Waterproof,mildew-proof, anti-ultraviolet and flame-retardant Semi permanent marquee tents Products specification:1,Clear Span Width10m 2,Maximum ... alloy 5,Cover Material 850g double PVC-coated polyester textile,flame retardant to DIN 4102 B1,M2,Waterproof;-30~+70 6,Optional ...