VfEmage Women's Summer Elegant Contrast Lapel Belted Wear to Work Sheath Dress 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:(checked part)90%Cotton+10%Spandex;(pure black part)75%Cotton +25%Nylon+5%Spandex Garment Care: Machine Washable