... silicone rubber bottle stopper 1.Rubber Stopper Set 2.Easy for use and varid 3.Good quality 4.OEM Colorful food grade silicone rubber ... bottle stopper Feature:1)We have kinds of material : NBR,HNBR,EPDM,SILICONE,VITON ... StopperSizeCustomized/standard and nonstandardBrand NameJIAXINMaterialNBR,HNBR,EPDM,SILICONE,VITON,FLS,FFPM,PTFETemperatureCommon: 20~50degree centigrade ...