1/6 oz. Roll-on Vial: Clear Glass with Plastic Roller and Black Cap (6 Count)

This roll-on vial is a handy way to apply essential oils, blends, and massage oils to the skin—simply smooth on as needed! Details This clear glass vial is a handy way to apply essential oils, blends, and massage oils to the skin—simply roll them on as needed! (This vial works best when the essential oils are diluted with at least an equal amount of carrier oil.) Quantity: 6 glass vials with plastic roller ball fitments and black caps. Volume: 1/6 oz., or ~5 ml. (Size Comparison Chart) Neck: 16mm. Directions: Transfer oil from another vial or mix a blend of your own in this bottle. The opening of this vial is large enough that you can carefully drip oil into it from your essential oil bottles.You can do this easily by using a plastic pipette, syringe, or glass dropper. After the oil is in the bottle, place the roller ball insert in the opening. Press down firmly until securely connected, trying not to push directly on the roller ball itself. (Be careful, and hold tightly to the bottle