Personalized Birthday Chick Number One White Text Infant Romper. Birthday chick in curly text with a yellow chick holding a large number one is a humorous gift design for your favorite chicks birthday. 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)