Masterclass Black Cast Aluminium Casserole Dish 2.5LMasterClass' Cast Aluminium Casserole Dish is lighter than iron but just as strong, enhancing heat conduction for quicker and more even cooking. It has two layers of premium non stick and scratch proof coating, suitable for both hob and oven use, and is easy to clean in the dishwasher. The self basting lid keeps juices in, and it comes with a lifetime guarantee and a 5 year non stick guarantee. 100% Aluminium.