Based on designs from the Le Creuset archives, this five-piece set of stoneware bakeware features an exclusive midnight blue glaze named for the French word for night. Crafted of dense stoneware, the pie dish, loaf pan, square baking dish and rectangular baking dish with lid block moisture absorption to prevent cracking and crazing. Nearly non-stick interiors effortlessly release food and clean up easily.Revered by both professional chefs and home cooks since its 1925 debut, Le Creuset's classic French cookware is prized for its utilitarian beauty and unsurpassed heat retention.