Sleeveless O-neck Evening Flounces Mermaid Taffeta Formal Dress Floor-length Sexy Backless GownsSPECIFICATIONS Sleeve Length(cm): Sleeveless Silhouette: Trumpet Mermaid Occasion: Formal Evening Neckline: O Neck Material: Spandex+Polyester Fashion Element: Backless Fabric Type: Taffeta Dresses Length: Floor Length Decoration: RUFFLES 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 dress has a