14k Gold Filled 4mm Ball Post Earrings 12sets/6pairs Style and Size : 4mm ball post earring with open ring + clutch Materials : 14k gold filled ( 14kGF stamped) Quantity : 12 sets (12post+12clutch ) / 6 pairs Gold Filled: Gold filled is an actual layer of gold-pressure bonded to another metal. Gold filled is not to be confused with gold plating as filled literally has 100% more gold than gold plating. Gold filled is much more valuable and tarnish resistant. It does not flake off, rub off or turn colors. safe for people with sensitive skin.