Disc-O Jacket Post Earrings0. 3" Stud + 0. 7" Disc, Sterling Silver Posts, Mother of Pearl Shell, 18K Gold Plated Brass Setting & Jacket Disc This shell stud & matte gold plated circular jacket is a 3 in 1 earring that gives you the choice of how you want to wear it any given day. Can be worn simply as the simple stud earring or with the jacket resting on the back of the ear or even with both pieces in front as a true statement piece. Goes great with the matching Luna Pendant