Crimp/Snap Vials, Caps and Kits | Thermo Fisher Scientific - FR 2021-11-24 Crimp vials are sealed with aluminum caps with septa using crimper and decrimper tools. 11mm Wide Opening Crimp/Snap Top Vials Superior quality 1st hydrolytic class glass (Type 1) in clear and amber meets all requirements of Pharm. US, EU, JPN