GIGI C Mathilda One Piece in Black. - size S (also in XS) GIGI C Mathilda One Piece in Black. - size S (also in XS) 84% poly 16% spandex. Made in Vietnam. Hand wash. Front zipper closure. Cut-out details throughout. Raw cut neckline. GIGI-WX75. SSB221BLK. Shop the latest in fashion from GIGI C