O ring, oil seals, hydraulic seal. Material: NBR, EPDM, SIL, CR, SBR etc. High quality and competitive price. Item ST-81Material rubber: NBR, EPDM, SIL, CR, SBR etc. Color white,black,redSize according your requirementFeature fashion designUsage promotion giftCustomizedOEM & ODM are welcomed MOQ 5000pcsSamplesSample lead time:3-5daysSample fee and the freight should be paid by buyersPacking ...