Bikini Top 
XS- Bust 30-32 inches
S- Bust 87-92cm
M- Bust 93-98cm
L- Bust 99-104cm
XL- Bust 105-110cm

Bikini Bottom

XS- Waist 63-66cm
S- Waist 67-70cm
M- Waist 71-74cm
L- Waist 75-78cm
XL- Waist 79-82cm