Water-resistant. Swim and shower with it and wear it to your heart's content. 2-year guarantee against oxidation and gilding defects No risk of allergy (nickel-free, lead-free) Sustainable gold plated (gilding : satin) Ethically made in France Delivered in an ecological pouch and box Materials:18-carat gold plating, applied through galvanization to a thickness of 3 microns — a high-quality European standard that ensures both durability and brilliance. We know that creating jewelry has an environmental and social impact, and we believe in making responsible choices at every step. Our gold is 70% recycled and RJC-certified for full traceability. The remaining 30% comes from controlled, traceable sources. We recover and recycle water during the gold-plating process to limit our impact. Our brass is 90% recycled. We use repurposed or recycled natural stones, and primarily work with lab-created alternatives — such as glasstones or cubic zirconia — selected for their traceability