*This item is anti-tarnish. The material is .925, sterling silver with gold plated. The gold plate may wear off overtime with use, specially it heavy use of water /perfumes or if rubbing against other metals/necklaces. This item has 1 year warranty for any color discoloration within 1 year. To keep color from changing do not wet and keep stored in box after wear. When gold color wears off it becomes silver.