PiercingJ 4-24pcs Men Unisex Body Jewelry Fake Illusion Tunnel Plug Faux Expander 18g Gauge Stainless Steel Stud Earrings Screw Back, Double Side Material: stainless steel Earring size(cap size):3mm Pin size:18g(1mm); Wearable Pin Length:8mm Quantity: 2pairs ( 1 black pair; 1 silver pair) High-quality stainless steel. The black is electroplated, which won't fade or come off.