Simulated Pearl CZ Cubic Zirconia Front Back Stud Earring by Lovey Lovey Style : Stud Earrings. Material : Brass, Cubic Zirconia Back Finding : Post with friction back / 9.25 Sterling Silver Needle Pin Size : Width - 1cm(0.39") / Length - 2cm(0.8") Weight : 0.1oz (1.5g *2) (Approx.)