**8 oz BLACK HDPE Plastic Cylinder Bottle 24-410 Neck

A 30 mL amber glass boston round euro dropper bottle with 20-400 mm neck finish. The dropper bottle is a type of boston round bottle. Like the boston round, it has rounded shoulders and a rounded base, but it is specifically designed to be fitted with tamper-evident, child-resistant droppers and caps with inverted dropper tips. 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. This container is amber, a rich and vibrant orange-brown. In the case of glass, this amber color is made by mixing sulfur, iron and carbon into the base glass. Plastics are colored by using pigments. amber containers are shaded from light amber to almost black. This amber color provides some UV protection for light-sensitive products.

Neck Finish 20-400

This item has a 20 mm 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 both 18-410 (see Matching Items below).

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