This is a vintage Pyrex mixing bowl set of three pieces in avocado verde green color. The set includes a bowl set and a bowl, all with a round shape and made of fused glass material. The bowls are oven safe, stackable, and decorative, and they have an impressed backstamp. The set is from the mid-20th century, specifically from 1960-1969, and it belongs to the Pyrex Nesting product line. The bowls weigh 5 lbs and are hand wash only.