You can also choose from vials 2ml vial cap, as well as from accept 2ml vial cap, and whether 2ml vial cap is pp. There are 374 suppliers who sells 2ml vial cap on Alibaba.com, mainly located in Asia. The top countries of suppliers are China, Hong Kong S.A.R., from which the percentage of 2ml vial cap supply is 99%, 1% respectively.