1.5ml 9mm Vial Screw Neck Vial ND9 Micro-Insert IP250/IP250-I Contact now 9-425 Thread Type 2ml HPLC Vial with Closures J&K Scientific Clear Glass Rounded Bottom Crimp-top Headspace J&K Scientific's Glass Headspace Sample Vials are made of high-quality USP type 1 borosilicate glass, and can withstand temperatures up to 500°C and pressures of