1/2 oz. Green Boston Round with Black Cap (18/400)

Glass Bottle Outlet
Availability: Out of stock

Protective and cost-effective green boston round bottles

Do you have a lot of liquids back at home to store or even some back in the office which need bulk storage? This green glass bottle has a special feature of protecting all stored ingredients from UV light and closes tightly with a black cap.

Features of green bottles:

  • Good quality black caps that help in avoiding spillage.
  • Capacity to hold ½ oz. is possible in this green glass bottle.
  • Can be used to store essential oils, extracts, and various other liquids
  • Could work as a homemade gift package as well.

Furthermore, with bulk purchases, discount rates are available.  So, whether you’re buying one bottle or 100 bottles, you will get the best price without sacrificing quality.  

How do I choose the correct closure size?

Closure sizes are expressed using two different numbers.

  • The first number you see refers to the diameter of the closure or bottle opening.
  • The second number is the Glass Packaging Institutes (GPI) thread finish and refers to the height of the cap and the style of the threads on the closure or bottle.

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.


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