William Morris Print Dark Academia Earrings | Vintage Earrings | Statement Earrings | Hypoallergenic | Clip-on Earrings Available These beauties are made of polymer clay attached to a large brass charm. The print design is achieved via an image transfer method, which is sealed in with liquid clay. The sides are painted in gold metallic paint and the back of the earrings are solid black polymer clay. Characteristics - Handmade with polymer clay - 2" length - Hypoallergenic: All Clay Avenue Jewelry earring posts and hooks are made with either gold or silver plated surgical grade stainless steel.