Personalized Cowgirl Little Sister Newborn Layette. Little sister Newborn Layette - White for your little cowgirl with sheriff's star, horse and pink cowboy hat. Inside of star says LIL' SIS. 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