Choose A clear glass autosampler vial Product To Buy After . Aijiren Clear Glass Flat Base Vial, 11mm Wide Opening Crimp Top Vial, 2mL Capacity, Pack of 100 1. Does not come with caps. 11mm Wide Opening Crimp Top Autosampler Vials are made of clear Type 1, Class A Borosilicate Glass with a writable label for sample identification.