Personalized Cute Turtle 3rd Birthday Toddler T-Shirt. 3rd birthday I'm 3 Toddler T-Shirt - Heather and Royal with cute, smiling turtle with bow tie and party hat holding balloons and big red polka dot number three on his tummy. 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.