For your accountant at tax time… or any other time, for that matter. With so many companies banning single-use plastic and other non-recyclable cups from the office, there's never been a better time to take your own mug to work. Whether you're buying this high-quality white ceramic I Love Spread Sheets 11 oz. Mug for yourself, a friend, boss, coworker, or family member, you or they are sure to love its distinctive spreadsheet design behind the words "I (heart) spreadsheets." It can also be used at home or in the office as a pen holder! Hand wash only. Not dishwasher safe. Do not microwave.