Personalized MomMom's Big Girl Toddler T-Shirt. MomMom Grandma gift for a granddaugher has adorable polka dot lettered MomMom's Big Girl logo on a Toddler T-Shirt - White. 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.