... 4.5mm 4.opening:0.8cm~6cm Material of Plastic Netting: Polyethylene or polypropyleneWeave and the characteristic: By hot to ... of auto back mattress, spring mattress, netting for air conditioner, road base netting, etc.Coloravailable with Plastic Flat Netting: Black, white, green, blue, ... refers to table below. Specification of Plastic Flat Netting: Opening(cm)Plate Thickness (mm)Roll Diameter(cm) ...