Using these couple mugs is easy. Just pour your favorite hot or cold beverage into them and enjoy. When it comes to cleaning, you can either use a dishwasher or wash them by hand. They're also safe to use in the microwave, so you can quickly heat up your drink. For maintenance, avoid using abrasive cleaners that could scratch the surface. Since they're printed with copyrighted artwork, try not to expose them to sharp objects that might damage the design. Keep them in a safe place when not in use to prevent breakage.