Convenience Kit, 20mL Headspace Crimp Vial, Beveled Edge, Round Bottom, Al Crimp Cap, 8mm hole: Color: Clear: Pre-slit: No: Material (Septa) PTFE/Chlorobutyl: Volume (Metric) Total: 21 mL: Closure Type: Crimp Cap (Open Top, 8 mm hole) Type: Headspace Crimp Top Vial Convenience Kit: Marking Spot: No