Measurements are approximate and taken while laying flat across the front. Not doubled.
small (2-4): bust = up to 34"; waist = up to 27"; hip = up to 36"
medium (6-8): bust = up to 35"; waist = up to 29"; hip = up to 37"
large (10-12): bust = up to 36"; waist = up to 31"; hip = up to 39"
x-large (14-16): bust = up to 42"; waist = up to 36"; hip = up to 46"
xx-large (18-20): bust = up to 44"; waist = up to 38"; hip = up to 48"
xxx-large (22-24): bust = up to 47"; waist = up to 41"; hip = up to 51"