These 1 dram vials are perfect for storing your fragrance experiments.
One dram is about 3.7ml, and 1/8 (.125) or so of an ounce. If you order 144, they arrive in a corrugated white box with dividers. These vials are clear glass, with black polypropylene foam lined caps. 15 mm X 45 mm, 4 ml Screw Thread. Neck Size 13-425. Caps attached.