... packing ring 1.Waterproof,dustproof,flexible 2.Different colors sizes 3.High quality assurance 4.Good price leather packing ringRubber O ... o rings2.Size:we can make according to your design.3.Material:EPDM,Silicone,NR,NBR,Viton4.Hardness:30-95 shore ... Bracelet, Glow in the dark Bracelet, Bracelet with watch, USB flash drive Bracelet, and bracelet with clip for closing8. Sample:Sample making ...