Manual polishing: multi-layer polishing, fine and smooth High-quality electroplating: long-lasting color retention, not easy to oxidize Maintainance: Please keep it in a sealed bag or jewelry box when-not wearing it Avoid wearing while sleeping Avoid contact with chemicals such as cosmetics, perfumes, shower gels, etc. Avoid swimming and bathing is to wear When wearing, avoid straining or bumping with your hands. Size:Different Sizes Rings, To Enjoy Your Everyday Rings-can fit your each finger Rings Size 4.5,5,6,7,7.5.Suitable for Most People-,rings for women,rings for teen, girls,ring sets, rings for girls, women’s rings, teens rings, ladies rings, mother rings.