Using this cup is super easy. Just open the wide mouth and pour in your favorite drink, whether it's hot coffee or cold juice. It'll keep your drink at the right temperature for a long time. When you're ready to take a sip, hold the comfortable grip and enjoy. As for cleaning, you can wash it with mild dish soap and warm water. Avoid using abrasive cleaners that could scratch the cup. Also, don't put it in the microwave or dishwasher. With proper care, this cup will serve you well for a long time.