Personalized Personalized 1st Birthday Boat Infant Romper. This fun personalized 1st sailboat Infant Romper - White makes a great gift idea for a girl or granddaughter's birthday. Make a custom gift idea for a 1 year old. 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)