Iittala Tools Casserole with Lid 4 qt. Tools are highly evolved kitchenware. Insightful features have gained the stamp of approval from the professional chefs and material specialists who collaborated in their creation. A high degree of technological knowledge has been applied to keep the food evenly warm; each piece is made from the material most appropriate for its function and conducting heat. In addition, Tools are oversized in all dimensions, heavy yet easy to handle, for entertaining or everyday use. Beautiful, contemporary design that embodies hospitality in its physical form.