Personalized 2nd Birthday Unicorn Party Toddler T-Shirt. 2nd Birthday Cute Unicorn Toddler T-Shirt - Heather and Royal adorable unicorn fantasy design for a girls magical party. 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.