Tiny Cubic Zirconia Cross Stud Earrings by Lovey Lovey Style : Stud Earrings. Material : Brass, Cubic Zirconia Back Finding : Post with friction back / 9.25 Sterling Silver Needle Pin Size : Width - 0.32"(0.8cm) / Length - 0.5"(1.3cm) Weight : 0.03oz (0.44g *2) (Approx.)