This 16 oz. amber Boston round glass bottle with black poly cone cap is the best way to store a large quantity of oils and liquids for cooking, herbal remedies, skin care products, cleaning solutions, and much more. This bottle is made from amber glass, which is designed to protect the bottle's contents from the harmful effects of UV light. The black poly cone cap offers an extra tight seal for this boston round glass bottle. The ridges on the cap allows you to get a tight grip on the cap, so that you can open and close the bottle with ease.
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Closure sizes are expressed using two different numbers.
For example, a closure size of (20/400) has a diameter of 20 mm and fits a bottle with a 400 GPI thread finish.
Some neck sizes are interchangeable. For instance, a 20/410 closure will usually fit on a 20/400 bottle. Also, 410 and 415 are usually interchangeable if the closure is not tamper evident.