Material: 2/3mm double lined SBR, SCR, or 100%CR, neoprene, YKK Zip Confortable Flatlock stitching Conforms ... customer's requirement Dongguan SAVA Industrial Co.,LtdProductMaterial:Double line SCR, SBR, CR Neoprene , customized thicknessFeature:Super confortable flatlock stitching, or ...