Pan Dulce Stud Set | Marranito Studs | Clay Earrings| Cafecito Con Conchas Blancas | White Conchas |mexican Pan Dulce |polymer Clay Earrings Each piece is designed, shaped, sanded, and assembled by me in Seattle, USA. These are all handmade so slight imperfections, variations, and differences may occur, Earring backs are stainless steel hypoallergenic. Care & Cleaning Polymer clay is very lightweight and durable and can last a very long time with proper care. Do not get your earrings wet as some brass charms/pieces may tarnish.