Mejuri ‘Thumbtack Flat Back Studs’ retails for $68 per stud, currently sold out online. Website description “Your not so basic, basic stud. Handcrafted in 14k solid gold. Threadless flat back studs allow for maximum comfort and help to facilitate the healing process. The backing post is crafted using implant grade titanium that is safe for all metal sensitivities.” Comes with everything in photo (studs, white box, dust bag, polishing cloth, tote bag).