Create your own ambiance with this Lava Rock based chakra stretch bracelet. Lava Rock (Basalt) is molten lava that has solidified under intense pressure and heat. It is used as a mood stabilizer, increases libido, and brings stability. Lava Rock is a very sought after stone, due to it's raw beauty and the ability to use as a diffuser with essential oils. Simply add a drop of essential oil in one or more of the beads on the bracelet. The Lava Rock also cleanses negative energy. This item contains 8mm beads of Lava Rock, Clear Quartz, Amethyst, Aquamarine, Green Aventurine, Citrine, Carnelian, and Black Onyx. SIZING INFORMATION Please measure your wrist with a measuring tape to ensure the most accurate measurement. If you do not have a measuring tape, you can also use a string by wrapping it around your wrist and then cutting the piece of string. After you have your cut string, place it alongside a ruler and write down your measurement. To ensure a perfect fit, please had 0.5 inch to your wrist measurement, if you want a little room please add .75 inches to your wrist measurement..