... diameter * thickness) 30 * 2mm Single length: 1m, 2m, 3m, 4m,and so on Style:straight frame, round frame, arc frame Color ... can be made by 18mm thickness plywood,,organic glass,toughened glassMax loading: 700kg/square metereasy to set up and remove and moveable 4x6x5m ... aluminium truss and plywood stage