X2 Small Stud Earrings - Additional 2nd Layer - 22ct Matt Gold PlateDescription Circles with opinions. Add versatility to your X2 Small Stud Earrings with this optional piece. While the stud colour remains the same, you can mix and match the second layer with a different colour, allowing you to create various colour combinations. PLEASE NOTE: This is an optional addition only if you already own a pair of the X2 Small Stud Earrings. Material X2 Small Stud Earrings 100% hypoallergenic stainless steel, black powder coat