track artificial grass : 1,factory price 2,SGS certificate 3,different colors available. 4,fast delivery. football field artificial grass :1,factory price2,SGS certificate3,different colors available4,fast deliveryType :G009Pile height:50mm or 40mmStitch rate:20needle/10cmGauge :3/4inchDenier :9500Density : 10500(tufts/square meter)Roll :4*25m/rollMaterial :PEBacking fabric :PP compound ...