3mm 5A+ grade cubic zirconia, more shiny than other 3A cubic zirconia , Hypoallergenic material: 316L surgical grade stainless steel is used for the body and 14K gold plating, nickel free and lead free, no harm to skin. The shine will stay nice and you don't have to worry about turning your wrist green. , BSB201-S-EU , Extension chain design: 16+5cm (total length 8.3 inches). You don't have to worry about the chain being too long or the wrong size when you buy it back as a gift. , PERFECT GIFTS: come with a pretty jewelry box. It is great gifts for your wife, mother, daughter, friend or keep for yourself. Perfect as a gift for Mother's Day, Thanksgiving, Christmas, Valentine's Day, Anniversary, etc. , As an British-owned company, we must provide you with satisfactory service: 365 Days no-questions-asked money back and exchange, reply you within 7×24 hours to solve your problem.