Sizing can be hard, like what is "true to size" anyway? We carry many different brands and the sizing does vary but...
GENERALLY SPEAKING:
small: 0-2
medium: 4-6
large: 8-10
xlarge: 12
Please be sure to also check each listing for item measurements and fit suggestions.

L I L Y
[wears size small unless otherwise marked on the listing]
height: 5'7"
bust: 34A
waist: 25"
inseam: 31"
pant size: 5/26
 
M A R G I E
[wears size large unless otherwise marked on the listing]
height: 5'5"
bust: 36DD
waist: 33"
inseam: 27"
pant size: 13/31 
    
S A V A  N A H
[wears size 2xlarge unless otherwise marked on the listing]
height: 5'8"
bust: 42D
waist: 40"
inseam: 28"
pant size: 16-18

K L O E E
[wears size small unless otherwise marked on the listing]
height: 5'5"
bust: 32DD
waist: 27"
inseam: 30"
pant size: 3/25

H A L L E
[wears size small unless otherwise marked on the listing]
height: 5'7"
bust: 32D
waist: 26"
inseam: 31"
pant size: 5/26