Hoop Earring , With Latch Back . Can Fit Large Beads On Them. 
Just Open The Latch Back . And You Can put on any large hole bead. Sterling Silver Plated.
That Mean That its,  Other Materal under the sterling Silver Plated. 
1 Pair Per Pack  Size 30 x 2 mm  Each Pair $ 1.69 pair