Boston Round Bottle Glass Cobalt 0.5oz, 18/400 (540pcs)

Boston Round Bottle Glass Cobalt 0.5oz, 18/400 (540pcs).

Our 0.5oz cobalt blue glass boston round bottle 18-400 neck finish. The boston round bottle is distinctive in its classic shape. Characteristic of the boston round are its rounded shoulders and rounded base. This boston round bottle has a flat ring on the neck, on which the cap can "rest." Glass has high clarity, can be colored, has high chemical-resistance levels, and has extremely high resistance to heat and cold. It is great for storing essential oils. All glass at innovativesourcing.com is lead free. This container is cobalt blue, an electric and vivid blue. In the case of glass, cobalt blue is made by mixing cobalt oxide into the base glass. Plastics are colored by using pigments. This cobalt blue color provides some UV protection for light-sensitive products. This item has a 

18-400 neck finish. The first number refers to the diameter (in mm), and the second refers to the closure depth, style and thread. This container can be paired with a closure with this matching finish

540pcs per case. ($0.25 each)

Cobalt Blue Glass color

18-400 finish

Dropper Lids or Lids Sold separately.

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