... Tent is one of our recently designed products series, it's with smoothly curved roof, and ... quite special innovation. 1, Attached photo shows a 20m span width Arcum Tent, which is the recently ... It is high quality at waterproof, flame retardant to DIN4102 B1, M2, UV resistant, waterproof. 5, The maximum allowed ... the Arcum Tent): 10m, 12m, 15m, 18m, 20m, 25m, 30m, no restriction on length by adding 5m ...