Personalized 4th Birthday Cat Unicorn Girls Toddler T-Shirt. Cute pink cat unicorn with I'm 4 quote for a girls birthday party 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.