... .55mpost: 40*60mm, 50*50mm, 60*60mmcolor: green, red, white, yellow, etc, green is popularapplication: protection for road, railway, airport, ... , etcfeature: easily assembled, wear resistant, easy preservation for a long time, economic, impact resistance, aging resistance, weather resistance, acid ... with water proof paper, with wood pallet or not high quality low carbon galvanized wire mesh fence