Size:
XS: Chest circumference 30CM back length 20CM suitable for weight 0.5-1.5kg
S: Chest circumference 33CM back length 24CM suitable for weight 1.5-2.5kg
M: Chest circumference 38CM back length 28CM suitable for weight 2.5-3.5kg
L: Chest circumference 42CM back length 34CM suitable for weight 3.5-4.5kg
XL: Chest circumference 50CM back length 40CM suitable for weight 4.5-7kg
XXL: Chest 54CM back length 40CM suitable for weight 7-10kg
