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