Silicone/PTFE Snap Cap

These 11mm snap top large opening vials are excellent for long term storage. The clear vials are a Type 1 Class A (33 expansion) while the amber vials are a Type 1 Class B (for light sensitive products). They are produced with the highest quality silicone septa and elastomer products in the world with the lowest level of extractable anywhere. Packaged in packs of 100 with 10 packs per case.