Personalized Funny Principal Fueled by Pizza Long Sleeve T-Shirt. Principal Long Sleeve T-Shirt - White occupation gift has funny job quote that says principal fueled by pizza . 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