... Safety Net : Material :PE or HDPE or as your prefer . Certificate :ISO 9001:2008 and GB Constructions safety netSpecifications:construction safety netting for building Material:HDPE,PE safety ... could be customized.Density50-300gram weight per square meters Construction Safety Net package:sheets are usually packaged in 5pcs,10pcs ... in 50,100 or 200m/rollColors: Red, blue, green, dark green, black, etc