Size Guide:
0-6 Months - 11cm length & 5.6cm width 
7-12 Months - 12cm length & 5.8cm width 
13-18Months - 13cm length & 6cm width 
 
Note:
Please choose right size according to your child's foot length or insole length.
Tips:
To find the best size, we recommend you measure your child's foot length (heel to toe) and then add 0.5-2cm for insole length
Please select the correct US size according to your child's insole length 
If your child's foot is wide, please select a bigger size.