Coffee Mug has an image of a vintage library due date checkout card. Great Gift for Bookworms, Readers, Librarians, Authors, Writers, Book Collectors. 11 ounce ceramic coffee mug is Dishwasher and Microwave safe - Designs are printed on both sides of the mugOur mugs are handpacked in heavy duty boxes to ensure safe arrivalJoyful Moose items are custom made in the mountains of Idaho. We are proud to print on premium mugs that were Made in the USA.