It uses a 4-layer K18 coating. It is resistant to water and scratches, and is safe for those with metal allergies. It offers durability while providing a light wearing feel. Made of silver, it gives a simple yet sophisticated impression. No-brand product, but top quality. Material: silver K18 triple coating Weddings, after-parties, Christmas, presents, dates, formal occasions, office, school events, graduation ceremonies, entrance ceremonies, pearls, necklaces, bracelets, long earrings, creep earrings, pendants, shells, presents, pearl jewelry, fashionable, cute for adults, OL, K18, 18k, 750, YG, PG, WG, accessories, natural stones, gemstones, power stones, birthdays, celebrations, Mother's Day, entrance ceremonies, graduation ceremonies, entrance ceremonies, anniversaries, moissanite, heart earrings, one-point, jewelry, high jewelry, ribbon design, after-parties, platinum, ladies, fashion, 18kgf, silver 925, sets, precious metals, sona diamonds, gemstones, Mrs., flowers, handmade, pearls, Korea, simple, vintage, limited edition, casual, simple, CZ diamonds, Christmas, marriage rings, eternity rings, full eternity, brooches, halo rings, moissanite, natural stone pearls, natural diamonds, couple rings, PT950 diamonds, engraving