I've reviewed the same on one of the other pajamas of this brand.  They're cute but it is VERY SMALL.  I don't know how people are still giving them high ratings even with the sizing.  I am including a picture of the 5T of this pajama on top of a Carter's 24month onesie.  It is barely bigger.  I ordered this for my daughter who just turned 3 years old, hoping she could wear it for about two years. It will barely fit her this  year, and I am very disappointed.