This product is suitable for all styles of ovens, but also for heating of ready meals in the microwave oven. Also storage in the fridge is smooth. All products are easy to keep, it can be washed in the dishwasher. This is again a product made from heat resistant and hard glass Simax, so even long and repeated use, can not be seen on it and they still look like nesw. The advantage of glass product is that you can wath the backing process without opening the backing pan. It is approved for contact with food both in household and professional premises. All products are controlled according the Health and Safety regulations of Czech Republic by independent controllers. They are made from glass containing no Cadmium or Lead. Please cool down slowly.