These are a newly designed droppers fit your 15ml essential oil bottles from your favorite essential oil company like doTERRA and Young living .
These are assembled for your use, droppers will save you time and oil.
Capacity: 15ml (1/2oz)
Note: Do not over tighten the cap as there is the potential to break the pipette.
Neck Size: 18-400
Included: 5 individual droppers. Bottle not included.