Uncap and reseal essential oil bottles with this handy Essential Oil Bottle Opener Tool. This versatile, easy-to-use accessory can be used for both rollerball and orifice reducer (Euro-dropper) caps. No need to struggle with your fingernails, knife, or other devices when refilling your bottles. This hard plastic tool is specifically designed to open and seal your essential oil bottles and the sturdy plastic won't scratch your rollerballs. The tool is shaped like the Plant Therapy leaf logo, and has a hole that can be used for attaching to a keychain. It is designed to help you quickly and easily uncap and then tightly reseal most bottle sizes: 5 mL, 10 mL, 30 mL, and 100 mL.