Personalized Christmas Owl 2nd Birthday Long Sleeve T-Shirt. Christmas owl 2nd birthday Long Sleeve T-Shirt - White with a polka dotted number two and adorable owl in a Santa hat and striped scarf. Look Who's Two! 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