This lightweight, yet highly robust baking sheet has an aluminium core for excellent heat distribution, and a tough anodised coating that will never blister or peel.. Made from 100% aluminium, with an anodised aluminium coating. Lifetime guaranteed. Made in Birmingham, England. Surface will not peel or flake. Aluminium’s superb heat conductivity guarantees consistent baking in a reduced time. Anodising process seals the aluminium with a tough layer of oxidisation. ‘Slide off’ style with one lip allows for easy movement of baked goods. PTFE and PFOA free. Natural non-stick patina will improve with use. Oven safe up to 230C/ 450F/ gas mark 8. Care: Not dishwasher safe - hand wash only in warm soapy water. Use cooking oil to help prevent sticking. Acidic food left in the pan may leave marks. Avoid metal utensils. 12 inches: 300 x 260 x 10mm. 14 inches: 354 x 291 x 13mm. 16 inches: 402 x 316 x 13mm. Mermaid have been making high-quality aluminium bakeware in Birmingham for over a hundred years. Manufactured by Samuel Groves, the venerable creator of our professional-quality, buy-for-life pots and pans, Mermaid bakeware shares the Samuel Groves reputation for quality. Utilising aluminium’s excellent heat distribution and conductivity, Mermaid bakeware has an anodised coating that will never peel. Ditch your flaky non-stick trays, and invest in durable British-made products you’ll reach for on the daily.