Personalized 4th Birthday Twins Owl Party Photo Infant Romper. 4th Birthday twins Infant Romper - Raspberry cute party photo tee with colorful owls and balloons and it's our 4th birthday quote. 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)