For S
Bust: 30-34
Waist: 26-32
Hip: up to 40 
Skirt length: 36

For M
Bust: 34-36
Waist: 28-34
Hip: up to 42
Skirt length: 36

For L
Bust: 36-38
Waist: 26-36
Hip: up to 44
Skirt length: 36