Premium Vials B123-12B Boston Round Glass Bottle with Dropper, 1/2 oz Capaciy, Blue (Pack of 12) Capacity: 1/2 Ounce (15 ml) Size: 25 mm x 70 mm (1 x 2.75 in.) Cap Finish: 18-400 Available Colors: CLEAR, AMBER, BLUE Available Discount Packs: 12, 36, 180, 540