This product is a set of three vintage Pyrex mixing bowls in shades of green. The bowls are round in shape and made of glossy glass material. They are from the late 20th century era, specifically manufactured in the 1960s in the United States. The set includes three bowls with model numbers #403, #402, and #401. The bowls are part of the Pyrex Opalware product line and are hand wash only.