CUSHION SMART NON STICK TECHNOLOGY - Carbon steel baking sheet with Cushion Smart non stick surface ensuring better air circulating for consistent browning and easier release DURABLE CARBON STEEL - This reusable baking sheet is made of heavy gauge carbon steel for long lasting performance, allowing heat to be distributed more evenly for perfect cooking results every time FREEZER AND FRIDGE SAFE - Unleash your creativity in the kitchen. You can store Prestige non stick baking sheets safely both in your refrigerator and in your freezer if needed OVEN AND DISHWASHER SAFE - You can use this multipurpose tray in the oven up to 240C/gas mark 9. It is also dishwasher safe to save you time cleaning up Prestige are so confident in the quality and durability of their Inspire bakeware, these products come for your complete peace of mind