O-neck Sleeveless Evening Dress Elegant Mermaid Lace Sequins Formal Robe Sexy Backless DressSPECIFICATIONS Sleeve Length(cm): Sleeveless Silhouette: Trumpet Mermaid Pattern Type: Geometry Neckline: O Neck Material: Spandex+Polyester Item Type: Evening dresses Fashion Element: Backless Dresses Length: Floor Length Decoration: Button+Sequined Built in Bra: Yes Size Chart *The length of strapless dress is measured from the top of the neckline to the hem of the dress. *One or two inches error could be possible within the measurements. *Every