To use this mug, simply fill it with your favorite hot or cold beverage. You can use it for coffee, tea, hot chocolate, or even a cold smoothie. After each use, wash it with warm soapy water and a soft sponge. Avoid using abrasive cleaners or scrubbers as they can damage the glaze. Don't put it in the microwave or dishwasher to keep it in good condition for a long time. Enjoy your drinks with this cute Gremlins mug!