1940s PYREX mixing bowl, #404. This Yellow bowl is the largest from the Primary set and holds 4 Quarts. The white interior has some light utensil wear-nothing that detracts from the look or use. Please see the pictures for more detail. This piece is heavier than other Pyrex bowls, as they were made lighter after the 1950/60's. Dimensions- 10 1/4" in Diameter and 4 1/2" in Height.