Personalized Sunny Big Sister Youth T-Shirt. Little sunshine BIG SISTER Youth T-Shirt - Azalea with a cute and happy smiling sun and purple, pink and yellow flowers. Perfect for sunny big sisters. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.