Black Backless Mermaid Maxi Dress, M. In good pre-owned condition with no flaws. Enjoy the perfect evening in the Lulus Moments Of Bliss Black Backless Mermaid Maxi Dress! Stretchy crepe stretch knit shapes this stunning maxi dress with thin straps, a V-neckline, and darted bodice with a wide back cutout, secured by a triple-button closure. High, fitted waist flows into a figure-flaunting mermaid maxi skirt. Hidden back zipper/clasp. Floor length. Size M measures approximately 61" from shoulder to hem.