Personalized 2nd Birthday Comic Book Newborn Layette. Pow! Happy birthday to the 2 year old! 2nd birthday gift for your little superhero. 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