Personalized Trombone Halloween Cobwebs White Text Newborn Layette. Trombone in cobweb text with the image of a trombone covered in cobwebs is a humorous Halloween gift design for low brass musicians, school music teachers and students in concert, jazz and marching band. 100% combed ringspun cotton 5.8 ounce 1×1 baby rib sleeper. 3/8" flatlock binding at envelope neck and cuffs. Back sleeve flap to protect hands. Elastic opening at bottom. Infant: 0-3 Months