Personalized 1st Birthday Baby Newborn Layette. Help your child celebrate their birthday in a special way. 1st Birthday Baby Newborn Layette - White, features a cute infant with a number 1 balloon. 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