Personalized Biological Engineer Asters Infant Romper. Biological Engineer script with a splash of colorful asters is a unique engineering gift design for engineers and college students at back to school, birthdays, holidays and graduation. Meet your new favorite outfit! Keep dressing simple with this one piece, lap shoulder t-romper. Super soft and perfect for baby's sensitive skin. 5.5 oz. 100% combed ringspun cotton premium jersey (CVC Colors are 60/40; Heather is 90/10 combed ringspun cotton/polyester)