Description: 2oz glass dropper bulb in 20/400 neck size, our bulb is made of nitrile and is better than regular rubber bulb. It can withstand harsh chemicals and essential oils.
Capacity: 2 oz  / 60 ml bottles, can be used with any 20/400 neck bottle as well but the glass tube will be shorter or longer depending on bottle length.
Material: Glass (tube); screw cap (plastic); bulb (nitrile)
Color: Black
Country of Origin: China
Product Dimension: Glass tube – 3.25 flushed from end to end”; Neck size – 20/400