Express dress sleeveless 11/12 blue white floral print midi length stretchy

Express dress sleeveless size 11/12 blue & white floral pattern zipper closure semi but firm stretchy material midi length Front and back small slit at bottom hem Excellent condition measurements pit to pit not stretched laying flat (but using the fullness from the darts) is 18 12 inches The waist measures 15 1/2 inches laying flat. Please see the photos. Location B1