1.Rubber D Ring,V Ring,X Ring. 2.We are a lead manufacturer of Rubber D Ring,V Ring,X Ring. Rubber ... D Ring,V Ring,X Ring.1. Material: Silicone, NR ... sample.3. Color: Black, white, Transparent, gray, green, yellow, blue, red and so on.If any custom molded rubber parts, silicone ... parts, please feel free to contact us. Rubber D Ring,V Ring