Personalized Biology Teacher Worms Infant Romper. Biology Teacher in wormy text a humorous design for your favorite teacher or college graduate at back to school, birthdays, holidays and graduations. 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)