Natural Material The bead bracelet is made of black obsidian stone, natural agate stone, lava bead and strong braided rope. All of these components are safe and durable.Anxiety Relief Composed of natural agate lava bead and healing obsidian beads, our beads bracelet can relief anxiety and stress of men and women and help people to fall sleep quickly.Design of 12 Constellations There are 12 colors of beads which represents 12 unique constellations. And everyone can choose their own constellation bracelets to wear for good luck. Couples can buy a pair of obsidian bracelet according to their own constellation.Size The diameter of each beads is 8mm, the tail beads is 6mm, the perimeter of this adjustable bracelet is about 16.7-24cm/6.5-9.4in, the constellations lava pendent is 14*10mmBracelet Jewellery Gift for Everyone This women men constellations bead bracelets can be a special, anxiety-relief and unique jewellery gift for your girlfriends, boyfriends, good friends, families etc.Colour Name: Gemini