... .tolerance:100kg 4.roll len PE Building Construction Safety NetMaterial:polyethylene, nylon, polyester, polyvinyl alcohol.construction safety net width: 1.8m, 2.5m, 3.1m ... , 4m, can be customized.construction safety net length: 6m, 10m, 20m, 30m, 40m, 50m, 80m, 100m, can ...