Personalized Super Amazing Little Sister Infant Romper. Cute Infant Romper - White for little sisters with shield, stars and banner says SUPER AMAZING LITTLE SISTER. Perfect for superhero little sisters. 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)