Thin, flat hoop earrings with engraved and colored details on each side.Do not blacken over time* Diameter: 49 mm Guaranteed nickel-free and allergy-free One-year warranty Composition: Brass covered with 24-carat fine gold (3 microns) blue epoxy resin Origin of materials: Drawing and design, Nantes, France Cutting and engraving, Italy Welding and polishing, Nantes, France Epoxy resin, Nantes, France Gilding, Paris, France Your jewel will be delivered in its pretty "Un de ces Quatre" box