... quality,quickly supply 3.open mould base on drawing Size rubber suction cup according to customers' drawingMaterialEPDM, NR, SBR, NBR, Neoprene, Silicone ... -any color)Metal Partstainless steel, zinc coated metal, etcTechnologymouldingRemarks: how to choose the material, every material has its advantage, EPDM-aging and weather ...