Personalized 2nd Birthday Monster Infant Romper. 2nd birthday monster. A cute monster holds a bright yellow balloon to celebrate the two year old's second birthday! Great gift for your little monster! 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)