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Custom black glass dropper bottles are the perfect size for storing essential oils, serums, and other liquids. The black glass protects the contents from harmful UV rays that can degrade the quality of the liquid inside. With the dropper top, you can easily dispense just the right amount of liquid without the risk of spilling.The classic design of the flat circle, the reusable screw is very convenient to use
link:https://www.yongshineglass.com/dropper-glass-bottle/black-glass-dropper-bottles.html
Black Glass Dropper Bottles