... low price different types and sizes Different colors silicone rubber seal as per design 1, Material:NBR,CR,SBR,HNBR, ACM, ... EPDM,IIR,NR,EP,Silicone,Viton etc.2, Hardness:Between 30~90 shore A3, Property ... or samples.8, OEM or ODM is welcomed Different colors silicone rubber seal as per design