Raelyn Royal Blue Mermaid Off the Shoulder Satin Prom Dress with Slit Strapless Lace Corset Mermaid Slit Long Prom Dress FancyVestido Adelaide Dusty Blue Mermaid Satin Off the Shoulder Long Prom Dress with Bellamy Off the Shoulder Beaded Blue Mermaid Prom Dress with Slit Purple Mermaid Off the shoulder Velvet Long Corset Prom Dress with Sli. 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.