This pond lining provides a flat surface for your pond and reduces soil accumulation. It can effectively prevent pollutants in the soil from entering the pond and polluting the water, making it easy for you to clean the pond. Smooth surface, non-toxic and harmless, super strong anti-sun and anti-oxidation brand new HDPE raw material, super anti-piercing; low temperature resistance -28℃, high resistance 130℃, effectively prevent corrosion, stable performance By installing permanent fishpond linings that can withstand various weather and water conditions, you can avoid the trouble of regularly replacing indispensable parts of the fishpond. Anti-leakage of fish ponds, slope protection of fish ponds, anti-leakage of reservoirs, anti-seepage water of fish ponds, bottom of lotus ponds, wastewater ponds, sewage ponds, fish, shrimps and crabs and aquaculture etc.