Wizard of Oz-I'm a Witch, What's Your Excuse? Insulated Travel Tumbler-16 oz Holds 16 ounces of your favorite beverage. Double walled. reusable, eco-friendly and BPA free. Pop off top with slide open/shut drink opening. Hand wash for best results, and not for use in the microwave. Makes a great gift for Wizard of Oz fans and collectors!