Personalized Purple T-Rex 1st Birthday Infant Romper. A grumpy, purple T-Rex wearing a birthday hat sits and eats a birthday cupcake. Cute 1st birthday gift for your little one 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)