Personalized Three Baseball Rocks Long Sleeve T-Shirt. Baseball rocks text with three dancing rocks holding baseballs and a bat is a humorous sport design for athletes and fans at back to school, birthdays, holidays and baseball season. 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