These onesies are available in matching kids and parents sets.  They are made from polyester and polyvinyl.

 
Size Information:
size(cm）
Length
bust
shoulder
59
53
28.5*2
23
66
58
30*2
25
73
63
31.5*2
27
80
68
33*2
29
90
73
34.5*2
31
 
Please allow 2-3cm error due to measuring by hand.  If you are between sizes please order the next size up.  Colours may vary on different devices.