Uncle of the Birthday boy is a cute baseball birthday party t-shirt. Makes a Great birthday supply for whose sons are turning 2, 3, 4 or 5 years old. Celebrate any baseball birthday with this baseball top. Share your love of baseball with this awesome baseball birthday party top for Uncle of the Birthday boy. Birthday party decor for any 2nd, 3rd, 4th or 5th birthday party. baseball birthday party Uncle of the Birthday boy. Lightweight, Classic fit, Double-needle sleeve and bottom hem