Personalized Number 1 Great Grandma Long Sleeve T-Shirt. Great grandmother gift Long Sleeve T-Shirt - Black with distressed design that says number 1 Great 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