Bat Wing Studs: Brass or Copper

I always wondered what it would be like give myself a big bat wing hug.  A comfy embrace I suppose, like these cute handmade silhouette bat wing studs.  Choose from either brass (yellow colored) or copper (red-pinkish colored), backs/posts are sterling silver.

Measurements:
depth/thickness = 0.47 inches (including earring wire)
width = 0.72 inches
height = 0.42 inches