Mermaid Off Shoulder V Neck Sweep Royal Blue Satin Formal Evening Dres Sexy Off Shoulder Floor Length Sweep Train Burgundy Sequin Mermaid Evening Dress Sexy Mermaid Off The Shoulder Blue Sequin Long Prom Dresses Evening Go Elegant Off The Shoulder Sleeveless Mermaid Sweep Train Chiffon Evening. The mermaid dress is made of sequin fabric; Off shoulder & sweetheart; Floor length with sweep train; Custom color custom size custom design are welcome.