The label size is Asian size, please ignore them. You could refer to the size chart in the picture.Size table means age ranges for kids, but they are for general guidance only.
Size:
0-6 months infant: inner length 4.3 in/11cm
6-12 months infant: inner length 4.7 in/12cm
12-18 months infant: inner length 5.1 in/13cm
Material: velvet
Color: burgundy, grey, pink