These charger plates are super easy to use. Just place them under your dinner plates at formal events like wedding receptions, banquets, or graduation parties. When it comes to cleaning, you can simply rinse them under hot water. But remember, these plates are not for the microwave or dishwasher. Keep them away from high - heat appliances to avoid damage. With their BPA - free, non - toxic, and sturdy material, they're reusable for many events to come. Just store them in a dry place when not in use.