Personalized Band Rocks Toddler T-Shirt. Band Rocks with three dancing rocks holding a trombone, flugelhorn and flute is a humorous music design for band geeks at birthdays and 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.