... Materials: polyester fiber, polyvinal alcohol ( PVA fiber ), polypropylene fiber, poly Construction Safety Net :Material:polyethylene, nylon, polyester, polyvinyl alcohol.construction ... 8m, 2.5m, 3.1m, 4m, can be customized.construction safety net length: 6m, 10m, 20m, 30m, 40m, 50m, 80m ... , 100m, can be customizedconstruction safety net Weight: 70g/m2, 100g/m2, 120g/m2, 150g/m2 ...