Store prepared ingredients, melt butter in the microwave, make mini cakes, store leftovers and more! These tempered glass bowls measure 1 cup to the rim. This is a set of six bowls, each with lids. These bowls are dishwasher-, freezer-, microwave- and oven-safe to 350°F. The lids are dishwasher-safe, suggested top rack only. This is a new, in-the-box set.