Measurements:
0-3M width: 9 ½”, length: 16”
3-6M width: 10”, length: 17”
6-12M width: 10 ½”, length: 18”
12-18M width: 11”, length: 19”
18-24M width: 11 ½”, length: 20”
Width measurements indicate the chest width from side to side. Length measurements indicate the length from high point shoulder to hem.