Personalized Little Monkey Girl 2nd Birthday Youth Long Sleeve T-Shirt. Celebrate your 2nd birthday Youth Long Sleeve T-Shirt - White with this cute design that says this little monkey is two with a pink smiling monkey holding a banana. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)