Personalized First Grade Butterfly School Long Sleeve T-Shirt. Pretty pink butterfly with First Grade quote for back to school or teacher appreciation on a Long Sleeve T-Shirt - Charcoal. 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