Personalized Got Chemistry Newborn Layette. Newborn Layette - Pink with "I've got chemistry" in rough text is a humorous academic subject design with a double meaning. Fun gift to your charming chemist, teacher or student at back to school, birthdays, holidays and graduation. 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