Personalized Trumpet Nut Infant Romper. An acorn nut holding a trumpet is a humorous musical instrument gift design to tickle the funny bone of brass musicians in concert, jazz and marching band. 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)