Goldbug Collection’s June Birthstone Daisy Cuff 18K gold-plated brass, colored cubic zirconia stones Care: To keep your Goldbug pieces shining their brightest, please do not shower, swim, or sleep while wearing them, and keep them away from sunscreens, lotions, and perfumes. To clean your pieces, rinse with warm water and gentle soap. Like our bug friends, sadly, costume jewelry doesn't live forever!