These charger plates are a great addition to your formal events. To use them, simply place them under your dinner plates at receptions, banquets, or other formal catered events. When it's time to clean them, don't use the microwave or dishwasher. Instead, just rinse them under hot water. They're BPA-free, non-toxic, and durable, so you can reuse them for many events to come. Make sure to keep them away from sharp objects to prevent scratches. Store them in a dry place when not in use to maintain their quality.