With this 2 oz. green Boston round glass bottle with black poly cone cap, you can present any oil or liquid in a stylish way while ensuring freshness and keeping leaks at bay. This sleek glass bottle comes with a black cap lined with polypropylene in a cone shape. When the cap is in place, the cone covers the mouth of the bottle, creating a tight seal to limit air penetration. This green glass bottle makes great packaging for your handmade gifts.
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.