These droppers fit doTerra & Young Living 5 ml glass bottles as well as some other 5 ml bottles. Assembled for your use, droppers will save you time and oil.
Included: This item includes 5 droppers fully assembled that includes: a glass pipette, rubber bulb, and plastic cap with hole. Bottle not included. You can adjust the glass further up in dropper top.
Do not over tighten the cap as there is the potential to break the pipette.