Pair of American Flag Stud Earrings American Flag Earrings are about 3/16 inch (5mm) diameter with a 3/8 inch (10mm) post. American Flag stud earring comes with a butterfly earring back. Piercing Jewelry-Body Jewellery Bars and Hoops for Women, Men and Teens See our entire collection of stud earrings for women, men and teen girls Body Jewelry