Vials are made from superior quality 33 expansion borosilicate clear (Type 1, Class A) glass, and meet all US, EU and JPN Pharmacopia standards. Product Size: Pack of 100. Vial Closure Size: 9mm. Vial Volume (Metric) 1.5mL. Item Description: 9mm Target DP Vial, Total Recovery with 10µL Reservoir. Material: Glass. Color: Clear.