MATERIAL: Made with G23 Titanium, it's better than surgical grade 316L Stainless Steel, durable and hypoallergenic, completely non-corrosive, lead and nickel free, also resistant to acid, alkali, no fading, no distortion, perfect for sensitive skin. The curved barbell with 3mm internally threaded screw ball, it's classic and fashion. MULTIPLE USING: Used as septum piercing, Eyebow Piercings, Cartilage Piercings, Nose Rings, Tongue Piercings, Tragus Earrings, Rook Earrings, Daith Earrings, Lip Rings, Tragus Ear Piercing, Nipple Rings, Belly Button Rings, etc. GAUGE SIZE: 16G(1.2mm); Bar length: 6mm/8mm/10mm/12mm; Ball Size: 3mm. Curved Barbell Design, Both Side Can Be Screw Off, Firm and Easy to Put on or Put off. 5 differents colors: Silver+Black+Gold+Pink+Rainbow; It's the best gift for for Birthday, Christmas Day, Anniversary Day, Valentine's Day and more.