Loop sold individually representing different phases of the moon. Create your own pair by combining the Full Moon loop, the Luna loop and the satellite loop!Does not darken over time* Nickel-free and allergy-free Gilding guaranteed for one year Composition: Brass covered with 24-carat fine gold (3 microns) Origin of materials: Design, Nantes, France Cutting, welding, hammering, Nantes, France Gilding, Paris, France Your jewel will be delivered in its pretty "Un de ces Quatre" box