Mermaid Satin Sweetheart Prom Dresses SYP136Uniquely beautiful. this mermaid prom dress is a one of a kind style for your special evening. In gleaming satin. this v neck long formal dress has no shoulder strap. The skirt of this glamorous gown gathers at the waist before flowing to a short length in front and a floor sweeping length in back that ends in a train. that is sure to steal the show at prom. a black tie gala. or another formal event. Occation: Perfect for prom. pageant. wedding. ball.