7MM Gunmetal Silver Grey Superman Symbol Stud Earrings, Anodized Hypoallergenic 316L Stainless Steel Posts Use claim code ZIVADEAL at checkout and get 20% off when you buy 4 or more items sold by Ziva Jewelry; 15% off for 3 items and 10% for 2 items 7 MM=0.3" Inches; fairly small size "Push backs" firmly secure earrings in place Hypoallergenic Stainless Steel won't irritate the sensitive skin around the ears Product photos are of the actual item you'll be receiving; no computer generated imagery is used