Personalized Trombone Halloween Cobwebs White Text Tote Bag. 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. Light Weight 6oz 100% Cotton Tote Bag. 14.5"W x 15.5"H, handles are 20" in length.