Glass serum vials Freeze-Dried Powder 3ML 5ML 10ML 15ML Empty Cosmetic Packaging Clear Ampoule Bottles with Dispenser tip Caps
Glass serum vials are matched with stoppers and caps.
The material of glass bottles is high borosilicate glass,the material of stoppers is rubber,the material of caps is aluminum+pp.
These glass vials are crimp neck,and one-time using.It need machine to seal.
