Sexy Mermaid Off The Shoulder Blue Sequin Long Prom Dresses Evening Go Elegant Bow(s) Off The Shoulder Mermaid Sweep Train Satin Evening Amazon.com: Aura Fashion Women's Off Shoulder Sequins Sweep Train Mermaid Off The Shoulder Sleeveless Sweep Train Satin Evening Dresses Elegant Off The Shoulder Long Sleeves Mermaid Sweep Train Elastic Satin. The mermaid dress is made of sequin fabric; Off shoulder & sweetheart; Floor length with sweep train; Custom color custom size custom design are welcome.