Personalized Trombone Text Christmas Tree Long Sleeve Creeper. A Christmas tree composed of trombone text and stars with musical notation garland is a unique low brass winter holiday gift design for musicians, music teachers and students in concert, jazz and marching bands. 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.