Elegant Blue Mermaid Halter Neck Sleeveless Open Back Floor-Length Prom DressesLuodilan's blue dress presents a fresh and high end temperament with a Mermaid silhouette, featuring a hanging neck collar and sleeveless design to embellish the shoulders and neck. The large exposed back details add a sexy layer, and the hanging fabric fits the body curves, making it suitable for formal occasions such as parties. It is a Prom style choice that combines softness and attention to the eye. Back Style: Open Back Silhouette: Mermaid