Geomembrane is a very low permeability synthetic membrane liner or barrier used with any geotechnical engineering related material so as to control fluid (or gas) migration in a human-made project, structure, or system. The Geomembrane specifications: 1.Thickness range:0.2-3mm 2.Width range:1-8m; 3.Length: customized; 4.Color: black mainly, green, blue, white; 5.Surface: smooth surface, textured surface. The Geomembrane Features: 1.Waterproof and impermeable 2.UV resistance(black color) 2.High tearing resistance 3.Puncture-resisting 4.Nontoxic 5.Long life 6.Root resistance