Personalized Choo Choo Little Brother Newborn Layette. LITTLE BROTHER Newborn Layette - White with colorful text choo choo train on it's tracks. 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