A Jumper and matching nappy, could it be cuter!?
 
Below reference for Jumper sizes.
 
SIZE 1 (approx 3 mnths - 1 yr)
Length - 32cm 
Chest - 31cm
Arm - 28cm
 
Size 2 (approx 1-2 Yrs)
Length -  36cm 
Chest - 34cm
Arm - 31cm
 
The cream jumper comes with the Bear pocket nappy and the orange jumper with our Dog pocket nappy.