Don't worry the style/pattern! Trust it will be super cute! Enjoy your hair now being able to maintain the proper moisture in order to retain length and fullness.  Allow us to protect your hair from the dryness caused by friction between your hair and moisture-absorbing materials such as cotton. 
Grab one for all the little girls & ladies you know! 
 
Use this size chart:
NB: 0-3 Months > 13-16 inches
XS: 3-6 Months >16-18 inches
S: 6-12 Months >18-20 inches
M: 1-4 Years >20-22 inches
L: 5-10 Years >22-24 inches
ADULT: 11+ Years > 24-26 inches