Aijiren 2ml HPLC Vial, Amber, 9-425 Autosampler Vial with Write . Amber Vial Material : ND9mm Screw Thread Autosampler Amber Lab Vials are made of Type 1, Class A Borosilicate Glass with a writable label for sample Screen Printed Glass Bottles | Pacific Vial Manufacturing. Pacific Vial offers screen printed labeling on all its glass products.