Classic Black Mermaid Halter-Neck Sleeveless Backless Beaded Floor-Length Satin Prom Dresses with High SlitStep into classic with LuodiLan's mermaid style prom dress. It features a halter neckline (with open back), deep V front detail, ruched bodice, all over subtle beading, a curve hugging silhouette, a dramatic high slit hem, a flowing trailing train, and lightweight black chiffon fabric. The sleek black hue and shimmering accents blend modern allure with timeless sophisticationideal for evening events, formal galas, and special occasions. Back Style: