100% Polyester Material: 100% Polyester. Feature:Deep V Neck,Spaghetti Strap,Backless,Double Slit Lining,Maxi Evening Prom Gown. Fashion Style:Women ruched dress is soft, stretchy and it will hugs your curves perfectly, super comfortable to wear. Occasion: Suitable for evening,outnight,cocktail party,night club,prom,clubwear,some special occasions to fully show your sexy shape. Suggestion：Please select the size according to the size chart picture before ordering.NO AMAZON CHART.