Bellux cookware is suitable for: solid plate, radiant ring, ceramic, halogen or gas. High quality mirror finish 18/10 stainless steel. Heat diffusing handles on saucepans. Rounded shape and domed lid encourages even heat circulation. Vented lid to allow escape of steam. Friction bonded encapsulated base for excellent heat distribution without warping. Handles riveted to pan body body for maximum strength and safety. Dishwasher safe. Suitable for all hob types (not induction). Twenty-five year guarantee.