Using this tumbler is super easy. Just open the lid, pour in your favorite drink like tea, coffee, or a delicious dessert - like parfait. It's great for taking with you to parties or just for everyday use. When it comes to cleaning, you can use mild dish soap and warm water. Just make sure to dry it thoroughly before storing. Remember, if you fill it with hot water, the steam may lift the lid, so be careful when opening it. Also, don't put it in the microwave or dishwasher to keep it in good condition.