Cuki Ultra Forza aluminum shells are made of aluminum with increased strength to provide high strength and durability. They allow faster and more even cooking, as aluminium is a very good heat conductor. Cuki Ultra Forza aluminium trays are environmentally friendly as they are 100% recyclable, saving 95% of the energy needed to produce the raw material. Practical and versatile, they are suitable for storing food, cooking and reheating in the oven, or as a serving plate for serving food. The Cuki Ultra Forza aluminium bowls are a good ally and available in a variety of shapes and sizes: rectangular, round, for a few or many servings.