Lightweight and nickel free metal. Thank you for considering our handmade, small business family for your shop! Due to the handmade nature of each pair, please allow for slight variances in color, density of glitter, etc. Because of the one-of-a-kind nature, be quick to snag up what you like because you may not be able to come across it again 🥰 Lightweight. Handmade. Each pair is unique! Polymer clay and hypoallergenic metal. ✨Hardware can be switched out to silver or gold or a different dangle option upon request. Leave a note before ordering.