Personalized Believe In Beatrice the whale Youth Long Sleeve T-Shirt. Beleive in love. Believe in yourself. Believe in Beatrice the whale Youth Long Sleeve T-Shirt - White, perfect for anyone who loves Beatrice the Whale, a character from the books of Michelle Nelson-Schmidt. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)