Personalize your eardrobe with fun charms to get even more out of your everyday hoops. Swap it out any time for an entirely new look. Opal is also known as October birthstones. These opal star charms are interchangeable. Charm size: 6mm x 9.5mm; Opal stone size: 3mm x 3mm 14k gold plated over sterling silver Hypoallergenic, nickel, and lead-free Tarnish resistant
