Measurements are approximate and taken while laying flat across the front. Not doubled.
small: bust =16 "; waist = "; length =57 "
medium: bust =17 "; waist = "; length =57.5 "
large: bust =18 "; waist = "; length= 58
xlarge: bust =19 "; waist = "; length =58.5 "
xxlarge: bust =20 "; waist = "; length =59 "
xxxlarge: bust =21 "; waist = "; length =59.5"