event tent 30x85m high quality long life big tent,multi-functional for every events,such as party ,festival ,sports span width:30m length :85m (17 bays, 5meters each bay)eave high: 4mtop high: 9mmain aluminum profile:255.5x113.5x5mm #6061/T6roof cover:PVC composite fiber fabric flame retardant to DIN4102 B1,M2 temperature resistance:-30- +70c 850gsmsidewall: 650gsm pvc with clear windows safe ...