Personalized Half Birthday 1/2 Boy Alligator Infant Romper. Half Birthday Infant Romper - White has cute green alligator crocodile with I'm 1/2 slogan on an outfit for your child's 6 month photo. 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)