The new design has straight sidewalls and a wide base for easy mixing, and open handles for easy stacking. Pour batter precisely with the wide spout. Lids with tabs are simple to remove. Shows measure markings in cups, ounces, liters and milliliters. 1 qt. Lids and bowls are dishwasher-, microwave-, and freezer-safe. Bowls are oven-safe to 350°F. NWT, never used. Smoke free and pet free home.