Includes: 4 Barbells Piercing Type: Multiple Barbell Material: 316L Surgical steel Accent Material: 316L Surgical steel Gauge: 14 gauge/1.6mm Barbell Length: 5/8"/16mm Ball Size: 6mm Externally threaded closure Jewelry Care: Clean with antibacterial soap and warm water Piercing Care: Clean with H2Ocean Aftercare Spray (sold separately) or saline solution Imported Note: Do not use rubbing alcohol to clean jewelry. Normal alcohol consumption and/or mouthwash may accelerate wear and tear. Do not over-thread or apply excess pressure when adding/removing beads as breakage could occur