Personalized Little Peanut 4th Birthday Long Sleeve T-Shirt. 4th birthday THIS LITTLE PEANUT IS FOUR Long Sleeve T-Shirt - Charcoal with cute cartoon baby peanut and big red balloon. 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