The Bow Flat Back Studs are the daintiest new addition to your ear stack! The bow tied on top of your perfect outfit. - The most comfortable earrings you’ll own! They sit flush against your ear so you’ll forget you’re even wearing them! - Made of implant grade titanium - hypoallergenic, waterproof, sweat proof, good for 24/7 wear! - Each listing is sold as a PAIR (comes with two flat back studs and two 6mm posts) - 18 gauge, comes with 6mm posts. Fit snug and secure in almost all piercings! Never tried Flat Backs? Flat Back Applicators make putting in earrings a breeze! Or try 8mm posts if you like a roomier fit! (Both available in the Flat Back Collection)