Product Details Charms: 16mm Flat coin, and 7mm Hand-carved Mother of Pearl Evil Eye charm with Turquoise and Black Spinel inlay 1mm Rollo chain Base Metal: Stainless Steel Coating: 14K Gold PVD Stainless Steel Size: Adjustable 16-18 inches The evil eye has its roots in ancient Mediterranean and Middle Eastern cultures, where it's believed to protect against envy and bad vibes.