LE3NO Womens Stretchy Batwing Sleeve Scoop Neck Ruched Bodycon Night Cocktail Dress L3NWDR1296: 95% Polyester / 5% Lycra / L3NWDR2421: 95% Rayon / 5% Spandex Soft, stretchy fabric for comfort L3NWDR1296: Ruching detail on the sides add soft texture / LL3NWDR2421: Looser on top / Self tie knot on the side for style Hand wash cold Made in U.S.A Please look at the measurements below for guidance