VfEmage Women's Elegant Sexy Mesh Colorblock Wear to Work Party Bodycon Dress zipper closure Our size is one size smaller than that of the US local brands like "Nordstrom". To prevent the size issue, please refer to our detail size information (bust/waist/hip size) below the product description before order. Thanks! Material(white): (black part)94%Cotton+6%Spandex;(white part)94%Polyester+6%Spandex +25%Nylon+5%Spandex Material(blue/yellow version): (blue/yellow part)75%Cotton+25%Nylon+5%Spandex;(black part)94%Cotton+6%Spandex +25%Nylon+5%Spandex