Personalized Dancing Rock Long Sleeve T-Shirt. A happy dancing rock is a humorous design to personalize with a name or your own "Rock on" text. Fun gifts for birthdays and holidays. 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