Personalized How I Roll School Bus Infant Romper. Funny back to school Infant Romper - Black for school bus drivers and school kids with a big yellow school bus says THIS IS HOW I ROLL. School bus graphic copyright GraphicsFactory. 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)