Personalized My 1st Halloween Newborn Layette. My 1st Halloween! Cute kitty, skull, ghost and bat celebrate baby's first Halloween! 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