A sleek and modern stud with delicate chains and a touch of the stars!This is one of our Cords Club exclusive flat back studs, custom designed from scratch by us. We spent months testing and perfecting it before adding it to our site. This listing is for a single ASTM F136 implant grade titanium push-pin flat back stud.   Measurements: Post measures at 1/4 inch (6mm) length, with a 4mm disc on back. 18 GA (1mm). Approx. size of front piece is. 6x6mm. Refer to listing images to get an idea of the size of the stud on-ear. Check your own ear measurement before ordering. Materials: ASTM F136 titanium, 18k PVD gold plate (for gold color), synthetic opal   Colors available: 18K PVD Gold Plated Titanium, Titanium   Care: These are tarnish-proof and waterproof. With all items of this material, if you come into contact with chlorine or salt water, cream, lotion, perfumes, etc. Rinse in water and dry if this does happen.  When not wearing, store in a dry, cool place.   *Please see site return policy for more information regarding flat back studs!