Personalized Dragon Cupcake 1st Birthday Youth Long Sleeve T-Shirt. A cute little dragon is ready to blow out the 1 candle on its birthday cupcake. Adorable gift for the one year old's first birthday. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)