This 24cm non stick griddle pan is made from aluminium, making it an excellent conductor of heat. It is dishwasher safe and suitable for all hob types, excluding induction. Features:D4cm. Diameter of pan 24cm. Interior material: aluminium. Exterior material: aluminium. Bakelite handle. Teflon non-stick coating. Suitable for hob types: electric, gas, ceramic, halogen, solid hotplates. Dishwasher safe. General information:Manufacturer’s 1 year guarantee.