Personalized 3rd Birthday Penguin gift Infant Romper. 3rd Birthday Penguin Infant Romper - Raspberry has happy Penguin bird wearing a number 3 and a colorful party hat. 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)