18K GOLD over Sterling Silver Hinged Hoop Earrings,12mm,for men, women, or kids, for nose, ears,lips,brow Unisex earrings/hoops are easy to open, insert, wear Lightweight hoops - Gold plated over Sterling Silver Lead, cadmium and nickel free, hypoallergenic (low allergy) One pair. about 1/2" inside diameter (12mm). **18 gauge wire** **Where you can use will depending on your piercing and location.**