WildKlass Jewelry PVD Plated 316L Surgical Steel Captive Bead Ring with Dimple Ball (Sold Individually) PVD Plated over 316L Surgical Steel Captive Bead Ring with Dimple Ball. PVD Plating gives vibrant colors to ever popular Captive Bead Ring. Lightweight and comfortable to wear. Material : 316L Stainless Steel Available in 61 color and size combinations. Exceptionally High Quality Jewelry!