Personalized Taco Costume Youth Long Sleeve T-Shirt. Youth Long Sleeve T-Shirt - White with funny Halloween Jack O Lantern taco with spooky text says This Is My Taco Costume. Trick or treat gift for taco lovers on Halloween. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)