Personalized MWAH Birthday Infant Romper. Funny birthday Infant Romper - White with little hearts, big pink and white letters that say MWAH!, a pink kiss print and KISS ME IT'S MY BIRTHDAY saying. 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)