These are American made vials. The glassware is the lightest, strongest, and most chemical and heat-resistant lab glass available. More durable and lighter in weight than molded vials/bottles and their special design adds strength for freeze-drying applications.
If purchasing the option of 100pc pack without flip-off caps, you can purchase the caps separately here
Supplied vacuumed sealed bag and sterile
These are for laboratory use only
