EXCEPTIONAL NON STICK: with 2 layers of Quantum II non stick, this roasting tray releases food easily and cleans in seconds. SUPREME PERFORMANCE: 1mm thick carbon steel ensures smooth heat transfer, while its sandblasted surface improves non stick adhesion. VERSATILE: this medium / large roasting tin is a reliable all-rounder, ideal for everything from succulent vegetables to small turkeys. USEFUL INFO: these MasterClass roasting trays are 100% BPA, PTFE and PFOA free, warp resistant, dishwasher safe, and oven safe to 220C.