These droppers fit doTerra & Young Living 15 ml glass bottles as well as some other 15 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.
Do not over tighten the cap as there is the potential to break the pipette.