Worldwide Glass Resources Headspace Vials - Manufactured from Type 1 0010732, 20.0 mL Clear Vial, 22.6x75.5, 20 mm Crimp Standard Top/Long Neck Kinesis Headspace Vial, Glass, 20 mm, Crimp Neck, Round Bottom . Volume (mL)20; Tube MaterialGlass; Tube Bottom ShapeRound Bottom; Tube ColorClear; Cap TypeCrimp Neck; Cap Diameter (mm)20; SterileNo; Height (in)3