13mm Hole Punched Vial Seals, Natural Silver, bag 1000

13mm Open Hole Punched Vial Seals, Natural Silver, Bag 1000. 

13mm aluminum vial seal, open hole, pre-punched, natural silver color. For serum vials that have a 13mm crimp finish (7mm hole opening and 13mm outer rim diameter). Allows ready access to underlying stopper sold separately on this site (several styles to choose from). 

Sold as a bag of 1,000