storage tent, business tent, stock tent sandwich panel wall, heat isolated optional automatic steel sliding door storage tent, business tent, stock tent1, Clear-span: 20/25m 2, Length: 20m, 25m, 30m etc or +5m more 3, Frame: highly reinforced and light-weight aluminum alloy 6061/T64, Fabric: high quality double PVC coated polyester textile which is waterproof, flame retardant (DIN4102 B1, M2), ...