Personalized Pterodactyl Text White Background Long Sleeve T-Shirt. An image of a pterodactyl with decorative pterodactyl text against a white background is a unique paleontology gift design for paleontologists, science and dinosaur lovers. 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