Diffuser Stretchy Bracelet made with 8 mm Hematite, Lava Rocks and Crystals in the colors of the Chakras - Red, Orange, Yellow, Green, Light Blue, Indigo & Violet. Hematite and Lava Rocks are both known for their "grounding" qualities. Add a few drops of your favorite Essential Oils to the Lava rocks to diffuse the scent as you wear the bracelet. Fits wrist sizes 7-8.5 inches. If wearing to align your Chakras, wear it on your right wrist.