bops Zengo Aromatherapy Bracelet 2 Piece Bracelet Set - Light Wood Beads with Black Oval Lava Stone + Dark Wooden Beaded Strand A beautiful bracelet that stretches to slide on and off the wrist effortlessly. Therapeutic jewelry that combines the healing properties of gemstones with essential oils. How to use: simply drop the essential oil of your choice onto the porous lava bead and enjoy subtle aromatherapy all day long!