Personalized 2nd Bird Day Toddler T-Shirt. IT'S MY BIRD-DAY 2nd birthday Toddler T-Shirt - Heather and Royal with a cute little blue bird, yellow and red bird house, butterflies, clouds and number 2. 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.