Material: Solid high polished 316L stainless steel; great plating; long lasting color retention; don’t rust Size: gauge: 18 G(1.0 mm); Dia 15/32" (12 mm); Color: Gold Easy to Use: Hinge will be very easy to open and close a click closure by hand; not require a tool. It's still tight after long-term use, don't worry about lost when working, walking or exercising Never Outdated: Small hoop earrings are never goes out of style; you can match them as you like; suitable for daily wear and any special occasion Multi-Function: They can be used as conch earrings, helix earrrings, forward helix earrings, lobe earrings, upper lobe earrings, standard lobe, etc. These earrings are an addition to your fine or fashion jewelry collection