- Look fabulous in this chic and alluring long prom dress by Jovani JVN21899 . This mermaid dress features princess seams fitted bodice with cut-in shoulders jewel neckline and a sexy bare back with flirty ruffled bustle details and brush train. Make it a romantic occasion with this eccentric design from Jovani. Style: jovani_JVN21899 Details: 100% Polyester, Jersey Fabric, Jewel neckline with cut-in shoulders, Open back, Train, Back zipper Length: Long Neckline: Jewel Waitline: Natural Silhouette: Mermaid