2 ml Roll-on Vial: Purple Glass with Metal Roller and Black Cap (144 Count)

Sample roll-on vials are a handy way to share and apply essential oils, blends, and massage oils directly to the skin—simply smooth on as needed! The color helps protect contents from damaging UV light. Details Sample roll-on vials are a handy way to share and apply essential oils, blends, and massage oils directly to the skin—simply smooth on as needed! (These vials work best when essential oils are diluted with at least an equal amount of carrier oil.) The color helps protect the contents from damaging UV rays. Quantity: 144 glass vials with metal roller ball inserts and black caps. Volume: 2 ml, or ~⅝ dram. Neck: 10–425. Size: ½" x 1⅜". 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 ope