Colorful Silicone Rubber Seal O-Ring. Customizable Dimensions: ID ranges from 3mm to 30m and CS from 0.5mm to 50mm, tailored to specific requirements. Wide Color Options: Available in Black, Red, Blue, Brown, White, and other custom colors. Multi-Material Selection: Offers NBR, FKM, Silicone, EPDM, HNBR, CR, PTFE, PU, and more for diverse applications. Certified Quality: Products hold SGS, FDA, CE, TS16949, REACH, and RoHS certifications. OEM and ODM Support: Professional engineers design precise tools based on customer drawings or samples. Fast Sample Delivery: Samples can be produced within 3 to 7 days with express shipping options. Superior Sealing Performance: Features excellent anti-vibration, waterproof, wear-resistant, and aging-resistant properties.