J Valentine Bikini Top Pink with White Polka Dots Metal Accents with Cross-Cross Ribbon detail Listed as One Size - elastic that goes around the neck and the back is very stretchy, but the triangle top is more like a Small when it comes to coverage Please keep in mind J Valentine is more of a “clubwear” and rave-type brand, and therefore the bikini top isn’t lined like typical swimwear. Feel free to ask questions in the comment section! Clean, smoke free home.