This is a vintage Pyrex casserole dish with a promotional design called "Barcode". It was manufactured in 1966 in the United States and is a one-piece round dish made of glossy blue milk glass. The casserole is 1 1/2 pints and comes without a lid. It is oven, freezer, and refrigerator safe, but should be hand washed only. The dish features a pressed glass production style and an impressed backstamp. This mid-century modern piece is perfect for all occasions and collectors of antique Pyrex. No lid see pics