Description. Glass. Patched Convenience Kits include 100 vials and 100 bonded cap/septum. Certified Vials, Caps, Septa, and Inserts at Competitive Prices. Verex offers the lowest ion content possible to reduce sample loss and contamination. 33-Expansion clear glass (USP Type 1 borosilicate, Class A). Vials Catalogue v10.indd - Labicom.cz. Contents.