Size	Tag Size	Sole Length	Suit Foot	Suit Age
0-6 Months	18-19	11.5 cm	10-11 cm	0-6 Months
6-12 Months	20-21	12.5 cm	11-12 cm	6-12 Months
12-18 Months	22-23	13.5 cm	12-13 cm	12-18 Months
18-24 Months	24-25	14.5 cm	13-14 cm	18-24 Months
2-3 Years	26-27	15.5 cm	14-15 cm	2-3 Years

Tips: the size uint of this table is CM,There will be 0-2cm difference because of manual measurement.
If your kid is chubby, we recomend choosing a larger size.