construction safety net is made by 100% new material HDPE usually weight :60g/m2~220g/m2 it can use over 3years~5years at least. Green Safety Net Specifications:construction safety netting for building Material:HDPE,PE safety nets mesh Density:50-300g/m2 1.Safety net package:sheets are usually packaged in 5pcs,10pcs or 20pcs/bundle;rolls are usually packaged in 50,100 or 200m/rollColors: Red, ...