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 and internal gradient markings. This pan set features ergonomic, riveted handles for added comfort and 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.