Customers will love this stylish Essential Oil Stretch Bracelet! The aromaotherapy benefits of essential oils are believed to motivate, inspire, calm and support health. The black lava beads in this bracelet are porous and act as a natural diffuser. Simply rub a drop of essential oil on the beads and refresh over time as needed. Bracelet is made of lead-free metal with 18k gold finish and natural stones - black lava beads, purple agate, tiger eye, blue agate, turquoise, yellow agate, red coral and amber agate.