Elegant Black Mermaid Halter Neck Spaghetti Straps Crisscross Floor-Length Beaded Satin Prom Dresses with SlitStep into elegance with LuodiLan's mermaid style prom dress . It features a halter neck design, sweetheart neckline, crystal trimmed cut out open back, and a high slit hemcrafted from smooth black satin (luxurious, matte sheen finish with a sleek, sophisticated texture). The curve hugging silhouette blends timeless elegance (satin fabric) with glamorous detailing (crystal trim + open back), making it ideal for formal events, galas, and special