Earthy Hawaiian bangle is make with precious metal round wire and floating black lava bead. Bangle is hand- formed, hammered and polished for a stunning texture and shine. It looks great worn alone or paired with other shell and charm bangles to create a chic, fun beachy look. Natural beads are made using dried lava! Lava is a form of molten rock that originates from volcano eruptions Lava bead is about 12 mm in size. *******Each bangle is custom made to order so can not be return or exchange for that reason. I can custom made your bangle with any charm or gemstone for birthstone please contact me for custom bangle. Please indicate your bangle size at checkout. If you do not know your size form your hand like your putting a bracelet on and measure around the widest part of your hand and not your wrist. The average size is 8 inches.