Earrings by Sheila McDonald These blue and silver earrings are part of a series based on ideas of mosaics and layers. The fine silver foil is fired between thin layers of transparent enamel. Features Primary Material : Silver Other Materials : Fine silver foil and Vitreous enamel Length (mm) : 10 Fitting Type : Post Dimensions (mm) : 10mm x10mm One of a Kind : No Metal : Silver Hallmarked : No Wire Material : Silver Cleaning InstructionsEnamel pieces can be cleaned with warm soapy water and polished with a Silver Cloth (available at most large supermarkets)Avoid liquid Silver Cleaner.Enamel is a type of glass, it will chip if dropped on a hard surface, however it is possible to repair.