... PVC 3.Big inside space 4.Easy to set up 4.Used for outdoor party,wedding Size:Span width: 3m ... frame is strong,durable,light in weight,not easy to rust and distort.Cover Material:1)Double PVC- ... , flame retardant to DIN4102 B1, M2, UV resistant.3)850g/m2 for roof PVC,660g/m2 for sidewall PVC.4 ... event,military solution,temporary warehouse and workshop.What need to mention:1)No pole inside,space can be 100 ...