Personalized Cutest Big Sister Infant Romper. Infant Romper - Raspberry says CUTEST BIG SISTER in bright, bold colors. Little hearts above the "i" in the words BIG and SISTER. 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)