40 Ml Amber Vials found in: 40 ml Vial, Glass Amber, .125 TFE / Sil Liner, Vial Amber Graduated 2ml, 40 mL Sample Vial In Lab File, Clr, No Cap, EPA Vials,.. …these vials are assembled with the following materials: Type 1 borosilicate glass, PTFE/silicone septa, and a polypropylene cap.