Tweety Head Mug; 18 Oz., Westland Have your morning cup of coffee with the looniest of cartoons, Looney Tunes ! The Looney Tunes Tweety Head 18 oz. Molded Mug is the perfect item for you to drink any hot beverage out of while planning your next maneuver against Sylvester. Measures about 4 1/4-inches tall. Hand wash only. Not dishwasher safe. Do not microwave. Ages 13 and up.