Personalized 7th Birthday Gold Lettering 7 Year Old Girl Toddler T-Shirt. 7th Birthday Toddler T-Shirt - White and Black has this girl is seven party celebration slogan in gold color lettering. 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.