HooAMI 2pairs Sterling Silver Earrings Pins Flat Post Back Stud Jewelry Findings 12x5mm Material:sterling silver(Cadmium free) Approx:12x5mm(0.47" x 0.2");Thickness: 0.8mm(0.03") The suitable cabochon size:5mm diameter Comes with 2 pairs stoppers Style/Shape: Earring Findings