Personalized Twins Happen Baby Gift Infant Romper. Boy or girl twins Infant Romper - Raspberry matching outfit with tiny stars and twins happen 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)