Personalized I'm One Toddler T-Shirt. I'm One! A foam finger and hand number one with "one" spelled out with a 1 in the O. Is there any doubt who is number one! Cute gift for any little sports fan. 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.