12 x 32 mm 250uL, 1mL, 100uL Crimp/snap top, Screw top Polypropylene with glass insert. Headspace Vials and Closures. 2mL Snap Top Vials and Closures. 20mL, 10mL Clear, Amber Glass Crimp top, Screw top Aluminum cap. 2 mL, 12 x 32 mm Clear, Amber Glass Polyethylene Snap Cap. Specialty Vials. 2mL 8-425 Screw Top Vials and Closures