Includes: 4 Curved barbells Piercing Type: Eyebrow Barbell Material: 316L surgical steel Gauge: 16 gauge/1.2mm Barbell Length: 8mm Stone Type: Cubic zirconia Ball Size: 3mm Externally threaded closure Jewelry Care: Clean with antibacterial soap and warm water Piercing Care: Clean withH2Ocean Aftercare Spray(sold separately) or saline solution Imported Note: Do not use any harsh, alcohol-based chemicals as this may cause tarnishing Surgical steel may contain trace amounts of nickel Do not over-thread or apply excess pressure when adding/removing beads as breakage could occur