OnSaleWear Women's Vintage Cocktail Party Bodycon Mermaid Midi Dress Different styles have different measurements. Please refer to our detail size information below the production description to confirm the fit before order. Thanks. The Green/Dark Red/Red/Black Version Material: (collar/hem part) 64%Polyester+36%Spandex; (body part) Cotton Blend (75%Cotton +20%Nylon+5%Spandex) The Dark Blue+Black Tartan Version Material: (collar/hem part)95%Polyester+5%Spandex; (body part) 93%Polyester+7%Spandex; The Black+Dark Blue Velvet Version Material: (collar/hem part) high quality velvet; (body part) velvet+shimmery silver dot; The Black+Silvery Gray Version Material: 95%Polyester+5%Spandex & Lace Lining Material: Flourescent lining,smooth & comfortable; The Black+Silver Version has lining. Sexy