Personalized Cinco De Mayo, Unicorn, Unicorn Horn, Holiday Youth Long Sleeve T-Shirt. Cute, fun and adorable design with unicorn horn and text 'Cinco de Mayo'. Modern and trendy gift, perfect for the Cinco de Mayo celebration. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)