Saks Fifth Avenue dress

Saks fifth Avenue sleeveless dress. Made of 91% polyester and 9% spandex. The lining is made 89% polyester and 11% spandex. Has zipper down back for opening plus a split at the hem. In the front of dress near the neckline there is a large square opening held together by small metal bar. The measurements are, across the bust area from arm pit to arm pit measures 18 inches. The length from shoulder to hem 41 inches.