Personalized My First Boo Toddler T-Shirt. 1st Halloween Toddler T-Shirt - Pink with a cute little smiling ghost with rosy cheeks, a big yellow moon and little smiling bats. He says MY VERY FIRST BOO! 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.