Materials: Hand-painted ACRYLIC coloring, PLA (3D Print material), copper-plated alloy* Complex styles, only available for purchase, not suitable for workshops* ■ This product is handmade ■ You can choose pure silver earrings (＋HKD$ 5) ■ This style provides ear clips ■ Please try to avoid contact with water or store in a humid environment to reduce oxidation