Material: 925 Sterling Silver, 18k Gold Plated, Blue Gemstone Size: 17in Material: This piece has 925 Silver at its core and is plated in a thick layer of gold measuring 2.5 3.0 microns. It is nickel free and 100% hypoallergenic for the benefit of those with sensitive skin. Jewelry Care When not worn, all jewels better be protected in our SOCALI pouch to prevent impacts and frictions. (We will gift this pouch to you)