Personalized Trumpet Nut Long Sleeve Creeper. 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. For chillier weather, dress baby in this soft long sleeve creeper in a great fitting 1x1 baby rib. 5.0 oz., 100% combed ringspun cotton, 1x1 baby rib. White is sewn with 100% cotton thread, Flatlock seams, Double-needle stitched rib binding on neck, shoulders, sleeves and leg openings,Reinforced three-snap closure on binding.