Personalized Yee Haw Birthday Toddler T-Shirt. Cute birthday Toddler T-Shirt - White and Black with little cowboy holding balloons. Wild western style text says YEE HAW IT'S MY BIRTHDAY! Perfect for a little buckaroo! 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.