Elegant Tulle Sweetheart Neckline Mermaid Wedding Dresses With Detachable Jacket Fabric: tulle Details: Delicate beaded lace appliques make this gown absolutely stunning. Sparkling beadings and rhinestones below the bust add a touch of glamour. The outer layer is made of tulle. the interlayer is made of French lace and the lining is made of satin. There is a beautiful detachable organza jacket..