Personalized Tuba Color Blocks Women's V-Neck T-Shirt. Tuba text made of colorful blocks for dark products is a unique gift design for marching band, birthdays, holidays and graduation. 5.0 oz., 100% pre-shrunk cotton Athletic Heather is 90/10 cotton/polyester 1x1 rib collar with mitered v-neck Shoulder-to-shoulder taping Ladies' fit