Personalized Babys First Valentines Day Outfit Infant Romper. Babys 1st Valentine's Day Infant Romper - White cute holiday heart train for a baby girl or boy 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)