The products in the Pyrex® Flame range are made of vitro ceramic material which makes them have a higher heat resistance but also durable in time. Practical, the Pyrex Flame vitroceramic range is the best ally for healthy cooking. All products in the Pyrex Flame range are therefore ultra-resistant and suitable for all types of cooking, whether in the oven or stove top (with the exception of induction hobs), and can withstand very high temperatures for a long period of time. One of the best choices for simmering meals for long hours.