Personalized Happy Thanksgiving Holiday Vegan Long Sleeve T-Shirt. Cute Happy Thanksgiving Long Sleeve T-Shirt - Black holiday dinner gear that is great for the vegetarian or vegan family. 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