Personalized 4th Birthday Dinosaur Party Toddler T-Shirt. Cute childs 4th birthday Toddler T-Shirt - White and Black with colorful tribal dinosaur and give a Rawr this kid is 4 quote. 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.