Goldbug Collection’s Rhett Collar Necklace Bendable memory wire, hook clasp 18K gold-plated brass Thickness: 1.6 mm Circumference: 15.7" 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! A new and fun way to layer your charms! Charms and pendants are sold separately.