THE COPPER BASE COLLECTION This stainless steel cookware has been designed with a fully encapsulated, high-performance copper base for even heat distribution, eliminating hot spots. The saucepans feature straining lids for easy drainage & internal gradient markings. This pan set features ergonomic, riveted handles for added comfort & durability, as well as a deep profile for greater capacity. Not only is do these pans have internal gradient markings for easy-to-read liquid measurements, but it is also oven safe, up to 180°C / Gas Mark 4. This pan set is not suitable for induction hobs.