Personalized 4th Birthday Princess Is Four Newborn Layette. The Princess Is Four and this darling birthday crown Newborn Layette - White gift lets your little girl celebrate her special day. 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