This is a vintage Corning Ware casserole dish with a lid, featuring a blue cornflower pattern. It has a capacity of 1 quart and is made of glass. The dish was manufactured in the 1960s and has a mid-century modern style. It can keep food hot or cold for up to 4 hours. The product is a square-shaped, one-compartment casserole dish with a vintage blue and white pottery production style.