The Monroe is 100% cotton and has sizes S-XL.  We recommend washing in cool water and with like colors.  The dress is running true to size and the model is wearing a medium;however, if you are over 5'5", we recommend ordering a size up for length purposes. Measurements: Length: Small measures 30.5", Medium measures 31.5", Large measures 32.5", Extra Large measures 33.5" Bust: Small measures 34", Medium measures 36", Large measures 38", Extra Large measures 40"