Personalized Chemistry Basic Infant Romper. Funny, joke Infant Romper - White for chemists and scientists with beakers and bubbling experiment graphic says You're A 10 Maybe On The PH Scale Because You're Basic. Perfect for geeks and nerds at the laboratory or office party. 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)