Hold under direct incandescent or LED Light for 1-5 minutes to activate glow Exclusively at Spencer's Includes: 8 Barbells Piercing Type: Multiple Barbell Material: 316L surgical steel Gauge: 14 gauge/1.6mm Barbell Length: 16mm Stone Type: Cubic zirconia 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 any harsh, alcohol-based chemicals as this may cause tarnishing. Normal alcohol consumption and/or mouthwash may accelerate wear and tear.