G23 Titanium\r\n 1.G23 is a medical grade material, which is a higher grade material than 316L medical steel.\r\n 2.It has no any adverse reactions such as infection allergies when we implanted into our body, and enjoys a very high degree of recognition in the international market.\r\n 3.Piercing products made of G23 titanium materials are lighter, safer, and more beautiful, and are the preferred choice for high-end consumers. It has many advantages:durable and hypoallergenic, non-corrosive, lead free and nickel free. Resistant to rust, acid, alkali, no fading, no distortion.\r\n 4.For some people with extremely sensitive skin, we suggest getting our metal Grade 23 titanium ring.\r\n\r\n\r\nSpecification\r\n Gauge Sizes:18g 16g are available in each color.\r\n Diameters Info:8mm 10mm for 18 gauge; 8mm 10mmfor 16 gauge.\r\n Material:G23 titanium\r\n\r\nProduct Use\r\n Can be used as nose rings hoop, lip rings, septum clicker, cartilage earrings hoop, tragus earrings, daith earrings, helix earring, rook earrings, conch earring, nipple rings.\r\n\r\nHOOP SIZE SUGGESTIONS:\r\n\r\n1.For Nose Piercing:\r\n Nose Hoop ( Higher on the nose ) --- 9mm 10mm;\r\n Nose Hoop ( closer to the edge ) --- 6mm 7mm 8mm;\r\n Septum Hoop --- 6mm 7mm 8mm 9mm and 10mm.\r\n\r\n\r\n2.For Lip Piercing:\r\n Lip rings --- 8mm 9mm and 10mm.\r\n\r\n\r\n3.For Ear Piercing:\r\n Helix earring --- 6mm 7mm 8mm 9mm and 10mm;\r\n Cartilage Earring Hoop --- 5mm 6mm and 7mm;\r\n Rook Piercing Jewelry --- 6mm 7mm 8mm 9mm and 10mm;\r\n Snug Piercing Hoop --- 5mm and 6mm;\r\n Daith Earrings Hoop --- 5mm 6mm and 7mm;\r\n Conch Piercing Jewelry --- 10mm 11mm and 12mm;\r\n Tragus Earrings Jewelry --- 5mm 6mm and 7mm;\r\n Anti-Tragus Jewelry --- 5mm and 6mm;\r\n Lobe Hoop --- 9mm and 10mm, 2nd and 3rd lobe --- 7mm and 8mm.