Strapless two tone with floral print dress size 12

Pre-owned and pre-loved but in a great condition strapless black/ white/ blue and green floral dress by dressbarn in size 12. Knee length. Skirt is lined. Layered-like (front) black top. Semi-sweetheart neckline. Zipper closure in the back. Missing one button for optional straps (not included). No other visible flaws. From smoke free house.