Personalized Stick Boy Future Big Brother Long Sleeve T-Shirt. Future big brother Long Sleeve T-Shirt - White with a cute cartoon stick boy waving his arms, his little puppy dog and big blue star. He says I'M GOING TO BE A BIG BROTHER. 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