Personalized 3rd Birthday Puppy Pink Toddler T-Shirt. I'm three! A cute pink puppy has a birthday hat and a cupcake with a three shaped candle. 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.