Personalized Trombonist Worlds Best Infant Romper. Fun trombone instrument silhouette with World's Best Trombonist music quote comes on a Infant Romper - White gift for the trombone player in band or marching band. Add a personalized name for a custom gift. 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)