MOWOM Black Silver Gold Two Tone 8mm Stainless Steel Resin Stud Carbon Fiber Earrings Tapers Plugs Tunnel Made of Quality 316L Stainless Steel, Lasting Color Retention. Size: 0.31 x 0.31 Inches, One Order Includes 1 Pair Earrings, Suit for Men and Women. Screw Back, Easy to Put On and Take Off. Including a black velvet bag with MOWOM on it. 100-Day Money Back Guarantee or Exchange. Screw Thread Tapers Plugs Tunnel Fit to all age Screw Thread Tapers Plugs Tunnel Fit to all age Metal Type: Stainless-Steel Material: carbon-fiber Size: 0.31 x 0.43 inch Gauge Size: 1mm=18G Metal Type: Stainless-Steel Material: carbon-fiber Size: 0.31 x 0.43 inch Gauge Size: 1mm=18G Metal Type: Stainless-Steel Material: carbon-fiber Size: 0.31 x 0.43 inch Gauge Size: 1mm=18G