3M: length 20 in, bust 20 in, sleeve length 10 in
6M: length 21 in, bust 20 in, sleeve length 11 in
9M: length 23 in, bust 21 in, sleeve length 12 in
12M: length 25 in, bust 22 in, sleeve length 12 in
18M: length 27 in, bust 23 in, sleeve length 13 in