Personalized Tuba Halloween Cobwebs Toddler Long Sleeve T-Shirt. Tuba in cobweb text with the image of a sousaphone covered in cobwebs is a humorous Halloween gift design for tuba musicians, school music teachers and students in concert and marching band. A classic for Fall, Winter and Spring, these long sleeve toddler t-shirts are sure to be a staple in your child's wardrobe. Whether layered or alone, this t-shirt is soft yet durable enough to stand up to your toddler's playtime demands.