NO NEED TO GREASE: the double ceramic coating ensures effortless cleaning and release, reducing the need for unhealthy greasing. ROBUST CORE: its made of carbon steel, with rolled edges for easy handling, and diamond dimples to promote air flow and even browning. STACKING SET: use these roasting trays separately or as a lidded set. All other Smart Ceramic pieces store neatly inside to save space. USEFUL INFO: BPA, PFOA and PTFE free; heat resistant to 400 (752); dishwasher safe; lifetime guarantee (5 years' non stick guarantee). MasterClass Smart Ceramic Non-Stick Large Roasting Pan & Lid, 42.5 x 31.5 x 18cm, Display Boxed in Grey Size: 42.5 x 31.5 x 18 cm