You can use these cracker dishes to serve all kinds of snacks like crackers, nuts, or small pieces of cheese. They're great for both formal dinners and casual get - togethers. Since they're food safe, you don't have to worry about any harmful substances getting into your food. And the best part is they're dishwasher safe, so cleaning them is a breeze. Just place them in the dishwasher after use. As for maintenance, avoid hitting them against hard objects as they're made of porcelain and can break. Keep them in a safe place when not in use, and they'll last you a long time.