Personalized Teddy Bear 1st Birthday Toddler T-Shirt. IT'S MY 1ST BIRTHDAY teddy bear wearing a striped party hat with polka dot background, birthday gifts and balloon with the number one Toddler T-Shirt - Heather and Royal. 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.