Personalized Sunny Big Sister Long Sleeve T-Shirt. Little sunshine BIG SISTER Long Sleeve T-Shirt - Charcoal with a cute and happy smiling sun and purple, pink and yellow flowers. Perfect for sunny big sisters. Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL