Cute Mermaid Sweetheart Royal Blue Satin Long Prom Dresses Mermaid Charming Sweetheart Royal Blue Satin evening gown formal dress Glamorous Royal Blue Sweetheart Prom Dress Mermaid Long With Split Mermaid Sweetheart Neck Satin Royal Blue Long Prom Dress shdress Royal Blue Long Mermaid Off the Shoulder Sweetheart Satin Pretty Prom Simple Sweetheart Royal Blue Mermaid Satin Prom Dresses, Mermaid Blue. Fabric: Polyester. The fabric is comfortable for skin. Package Contents: 1x Women Dress. Occasion: Whether you are dressing it for a wedding party, prom, evening party or any other occasions, this party dress will be your lovely partner.