widely used for party, outdoor exhibition, outdoor wedding,trade fair, celebration,sports event,warehouse and workshop.party-ten party Tent.1,The clear-span is from3-30m.2,The length will be from 3m to no limited.3,Frame use hard pressed extruded aluminium 6061 /T6(13HW).4,The fabric is double PVC coated polyester textile. It is high quality at waterproof, flame retardant to DIN4102 B1,M2,U V ...