Ceramic non-stick spring form loose base round cake pans, sizes 11cm, 18cm and 23cm Made from commercial-grade carbon steel with reinforced non-stick coating Two layers of Quantum II non-stick coating for easy cleaning Electroplated carbon steel resists warping, corrosion, and flaking BPA, PFOA and PTFE free Fridge, Freezer and Dishwasher Safe 20-year guarantee and 5-year non-stick guarantee Dimensions: Cake Pan 12cm x 13cm x 4cm Cake Pan 19cm x 19cm x 7cm Baking Tin 23cm x 24cm x 7cm