Silver Greek Key Design Hoop EarringsRound Hoop Earrings with Greek Key Imprint These sterling silver hoop earrings feature an greek key embossed design that forms the continuous structure of each piece. Each earring has a diameter of 25 mm and are a hollow 3mm tube so feel light enough so they won't pull on your ears. They are fitted with a latch back closure, which provides a secure and comfortable fastening when worn. You can see all of our Hoop earrings here.