Personalized Best Grandma Ever Comic Book Long Sleeve T-Shirt. Best Grandma Ever! If your grandma is a superhero, then this is for her! Comic book style gift for any super grandma. 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