Personalized 3rd Birthday Princess I'm Three Newborn Layette. 3rd Birthday gift for your little girl who will look so sweet wearing a cute The Princess Is Three crown Newborn Layette - White gift that is perfect for her special third birthday celebration party. 100% combed ringspun cotton 5.8 ounce 1×1 baby rib sleeper. 3/8" flatlock binding at envelope neck and cuffs. Back sleeve flap to protect hands. Elastic opening at bottom. Infant: 0-3 Months