Pro Jewelry .925 Sterling Silver "Ruby Red Crystal Dragonfly" Stud Earrings for Women & Children 103 578 1591 Quantity: 1 Pair Product Design: Dragonfly Metal: Sterling Silver Decorated With: Crystal Glass Setting Type: Prong Hallmark: 92.5 Size: Height: 15mm x Width 14mm x 10.9mm Friction Post conversion : 1 inch = 25.4mm or 1mm = 0.0393 inch