Calvin Klein Black Metallic Shimmer Evening Gown Size: 4 Fully Lined, Zipper back and triangle gold accents on that connects shoulder straps. Not sure of the blend of material, but would bet it’s Polyester spandex blend. It does have some stretch in the waist. Measurements: Shoulder to hem 54” Waist (flat): 11” - 16” (good stretch) Please view all photo’s, the dress has some hem snags from my rhinestone shoes. Beautiful dress on! Please view all photo’s, the snags in the hem are posted,( Last 3). If you have any questions, please message me.