12mm / 1/2"  Hingees Brand Hoop Earrings Crafted in 22K GOLD Over  SOLID  .925 Sterling Silver. These highly popular Hoop earrings are designed with a precision micro-hinge that opens and closes as shown in the photograph. Hinged Hoops are made of  22K Gold Over SOLID .925 Sterling Silver. Technologically Advanced Hinged Hoop Earrings   12mm Diameter  MADE IN AUSTRALIA. To Open, pull apart at clasp. To Close, push ends together at clasp. Made of SOLID Silver. Easy to put on and take off! Safe for people with sensitive ears. Can be worn 24 hours a day, even while sleeping. LEAD FREE NICKEL FREE Add a different charm or other beads for your own design.