Goldbug Collection’s Hinged Fish Charm Hinges allow for the movement of the fish 18K gold-plated brass Length: 2" Closed Jump Ring: 7 mm Care: To ensure a longer life for your Goldbug pieces, 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 a gentle soap. Like our bug friends, sadly, costume jewelry doesn't live forever! Chains and collars are sold separately.