... 2,Environmental protection 3,Different color and specificatio Silica gel oval pad1.Material:100% food grade silicone 2.Certificate:ISO9001 ... can assure the quality and machine ability. Item namesilica gel oval padSizecustomized / standard and nonstandardMeterialSILICONE,NBR,EPDM,VITON,NRTemperaturecommon:20 ... and cartonOEM/ODMwelcomeCertificate 100% good grade silica gel oval pad