Oven, freezer and BBQ safe: rated -20°C to 220°C. 10 x Large Aluminium Foil Trays with Aluminium Lids – 32 x 26 x 7cm (9 x 13"). - Aluminium lids seal tightly to prevent freezer burn and leaks. Heavy-gauge aluminium trays that hold their shape fully loaded — lasagne, roast.