Personalized I'm 3 with Del and Balloons Toddler T-Shirt. Help your child celebrate their birthday in style with PBS KIDS. I'm 3 with Del and Balloons Toddler T-Shirt - White and Black , a perfect gift for the birthday kid on their special day. 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.