xs suitable for 1kg
s suitable for 2kg
m suitable for 3kg
l suitable for 4kg
xl suitable for 5kg
xxl suitable for 7kg
There may be 2-3 cm error cause manual measurements.
For the two legs Clothes, pls pay attention to chest girth, And for four legs, must fit for chest girth and back length.
For the growing kitten, you’d better choose the bigger size