Personalized Pirate Jellyfish, Cute Jellyfish, Little Jellyfish Youth Long Sleeve T-Shirt. Cute, fun and adorable design with pirate jellyfish. Modern and trendy gift, perfect for the pirate lover in your life. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)