... of base geotextile :100-1000g/m2, thickness of geomembrane:0.1-1.5mm2.two piece geotextile and ... of base geotextile:80-600g/m2 ,thickness of geomembrane:0.2-1.5mm3.one piece geotextile and ... -1000g/m2,thickness of geomembrane:0.1-0.8mm4.Multi-layersKinds of membrane:HDPE, LDPE,EVA,CPE,PVC ... .9)Note:the above table is for reference, special sizes are available at customer’s request composite geomembrane