1. Our BISTRO espresso cup set is built to withstand extremes of temperature, ranging from -30 degrees centigrade to 350º F/180ºC.
2. Wash in warm, soapy water before first use and dry thoroughly.
3. For all subsequent uses, wash and dry by hand or pop in the dishwasher.
4. They are safe to use in the freezer, oven and microwave.