Personalized I Love My Grammy Youth Long Sleeve T-Shirt. I Love My Grammy Youth Long Sleeve T-Shirt - White has a cute grandma lion with her grandbaby lion cub and makes a great gift idea for a grandmother or grandma. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)