WildKlass Jewelry 316L Surgical Steel Synthetic Opal Cartilage Earring Crafted out of 316L Surgical Steel these domed faux stones are press fit and sit at a stunning 5mm in size. Each stone is brilliant and eye catching, they seem to glow in the light with radiant iridescence. Lightweight and comfortable to wear. Material : 316L Stainless Steel Thickness: 16g, Length: 6mm Exceptionally High Quality Jewelry!