Personalized It's My Birthday Pug Youth Long Sleeve T-Shirt. It's My Birthday! A cute little pug dog wearing a birthday hat sits next to its birthday cake. Cute birthday gift for any dog lover or someone who loves pugs! youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)