Sapphire Blue Mermaid Off The Shoulder Evening Dress With Long Sleeve Luxury Blue Off shoulder Beaded Mermaid Formal Dress With Sequins Ev Sparkling navy blue off the shoulder mermaid dress Navy Blue Dress Royal Blue Long Sleeves Mermaid Off the Shoulder Sequin Evening Dress. 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.