2mL amber glass serum vial, 16x35mm with a 13mm crimp finish. Sold as a ream of 264 pieces. This dimension acts as a "happy medium" between a standard 2mL and 3mL serum vial and can be used interchangeably to keep lower inventory supply costs for your serum vial packaging requirements. Image below shows the 3mL fill mark with water for illustration.
