Personalized Smart Chemical Engineer Newborn Layette. Chemical engineering, the profession for intelligent people is a humorous design with attitude. Fun gifts for college students and engineers 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