VfEmage Women's Elegant Square Neck Optical Illusion Wear to Work Pencil 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: (striped part)95%Polyester+5%Spandex; (pure black part)75%Cotton+20%Nylon+5%Spandex +25%Nylon+5%Spandex Garment Care:Machine Washable