Wholesale Lab Vials - China Pharmaceutical Glass 40ml Clear VOA Glass Vial With 24-400 Caps And Different Gasket 40ml clear VOA glass vial:made by low borosilie glass, with 24-400 neck thread, size27.5x95mm, match various caps with different gasket, such as top closed cap and aluminum foil cap, centrual hole top cap and silicone/PTFE gasket.