Personalized Stick Boy Future Big Brother Infant Romper. Future big brother Infant Romper - White with a cute cartoon stick boy waving his arms, his little puppy dog and big blue star. He says I'M GOING TO BE A BIG BROTHER. 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)