Personalized Shamrocks White Music Notes Infant Romper. A jumble of shamrocks and white music notes is a fun gift design for the Irish and the Irish at heart on St. Patrick's Day and at Celtic festivals. 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)