Personalized Penguin 1st Birthday Toddler T-Shirt. A cute little penguin wearing a winter hat is surrounded by birthday presents. A red balloon announces I'm 1! Cute 1st birthday gift for your little one year old. 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.