Personalized Marching Band Grandma Music Gift Long Sleeve T-Shirt. Band Grandma Long Sleeve T-Shirt - White gift for a grandmother with grandkids in marching band. Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL