C P Plastic

ISI Marked 500micron GeoMembrane HDPE Fabric with UV protection. 5 Years warranty.
A 500 micron geomembrane sheet is a type of plastic sheet, typically made of High-Density Polyethylene (HDPE), used as a waterproof barrier, with a thickness of 0.5 millimeters (or 500 microns)

ISI Marked UV Protected HDPE Geomembrane 500microns.
HDPE is a robust synthetic material known for its high strength, flexibility, and chemical and ultraviolet exposure resistance. As a pond liner, HDPE creates a barrier preventing water from infiltrating the soil and effectively maintains the water level within the pond.