The rounded shoulder design has proven reliable a thousand times over for containing almost any liquid or solid. Use amber for light-sensitive materials. Dispensing precise amounts of your liquid has never been easier. Bulb style droppers are designed to fit the bottles they're shipped with, so there's no guessing.
Perfect for storing large amounts of Do-It-Yourself (DIY) supplies such as Propylene Glycol (PG) or Vegetable Glyerine (VG) for mixing, flavorings, among other things.