Personalized Be Yourself Flamingo Long Sleeve T-Shirt. In a world where you can be anything, the best thing to be is yourself! Be Yourself Flamingo Long Sleeve T-Shirt - White, from the illustrations of Michelle Nelson-Schmidt. 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