Size Chart
0-3 mo.	up to 13 lbs	18-24"
3-6 mo.	13-17 lbs	24-26"
6-9 mo.	17-20 lbs	26-28"
12 mo.	20-23 lbs	28-30"
18 mo.	23-26 lbs	30-33"
24 mo.	26-29 lbs	33-36"

Size chart is a general guide. It may include sizes that are unavailable for this item.