Personalized Sousaphone Drawing Toddler T-Shirt. Display your pride for your Sousaphone skills with this drawing on Toddler T-Shirt - White with the word "sousaphone" resting on it. Also makes a unique gift for low brass musicians, music teachers and students at back to school, graduation, birthdays or holidays. A toddler-soft cotton tee in look-at-me, big kid colors. 4.5 oz., 100% combed ringspun cotton. White is sewn with 100% cotton thread. Topstitched rib crew neck. Double-needle stitched sleeves and bottom hem. Shoulder-to-shoulder taping.