Detailed size information was given on the packaging delivered yet, perhaps you rather help to decide:
xs: waist circumference / waist: 65 cm / 26 "Hips / Hips: 90 cm / 35"
S: waist circumference / waist: 68 cm / 27 "Hips / Hips: 94 cm / 37"
M: waist circumference / waist: 72-76 cm / 28 "-30" Hips / Hips: 97-100 cm / 38 "-39"
L: waist circumference / waist: 80-84 cm / 31 "-33" Hips / Hips: 103-106 cm / 41 "-42"