Please look at all photos. 

NO holes stains, etc

Measurements are shown

Seam tag is discolored and faded, but I can make out "Carter's" "3 months" and "12 lbs," which I am guessing it probably says __to 12 lbs. 

Material is unknown, but feels like polyester or poly/cotton blend

2 buttons on back

-Freshly laundered

This would look really cute under some bib overalls.