Miss Vavavoom Dress - Black Swing Dress (Small) Oh la la! Look your retro best in this little black dress. With cap sleeves, sweetheart neckline, and a clingy, swingy flattering cut Fabric: 95% Rayon, 5% Spandex. Sizing Tips - The fabric is knit, with a fair amount of stretch. See size chart below The soft, lightweight knit fabric makes this dress flattering and easy to wear. Looks great with our Hey Viv ! Black Pill Box Hat w Veil and Rhinestone Clip!