NEW Big Brother Little Sister T-shirt onesie set t-shirt size 3T onesie 3 mths

NEW Big Brother Little Sister T-shirt onesie set t-shirt size 3T onesie 3 mths The big brother T-shirt reads size 3 year, which should be a 3T. The pink onesie does not have a size tag, but my guess is it would be a three month. Never used.