Earring Size: Very Small - Tiny Earrings 
 Outside Diameter of hoop is 12mm = 0.48" inch
Smaller than a Penny (Penny is 19mm big)
 Thickness of earrings are 2mm wide
The 12mm size hoops are Tiny Earrings. 
Image enlarged to better show product
 If you have thick earlobes the 12mm might be too small for you and you should get the 14mm or larger size.
Made from 14k White Gold and stamped "14K"