Sapphyra Women's Asymmetric One Shoulder Mermaid Gown Prom Evening Party Dress Material: 95% Polyester and 5% Spandex Imported Vintage slim cutting, elegant style Non-removable ruched decorative shoulder strap, non-adjustable Elastic material helps for better fit Great for evening gowns, dates, formal parties, homecoming, military balls, weddings and much more. Please check the detailed size chart on the left to ensure the best fit