Personalized 2nd Birthday Owl Toddler T-Shirt. Whether you're planning a 2nd birthday party or simply looking for a unique gift, our 2nd birthday Owl design products are the perfect choice. A toddler-soft cotton tee in look-at-me, big kid colors. 4.5 oz., 100% combed ringspun cotton. White is sewn with 100% cotton thread. Topstitched rib crew neck. Double-needle stitched sleeves and bottom hem. Shoulder-to-shoulder taping.