Tupperware CrystalWave Microwave Lunch N Dish Divided Bowl Purple Tupperware CrystalWave Microwave Lunch N Dish Divided Bowl Purple Dish is divided into two 1-cup/440 mL sections and 1-cup/250 mL sections, overall diameter of dish is about 7 1/2 inches. Virtually airtight, liquid-tight seal. This items DOES NOT come with a "cold cup" Vent in seal allows steam to release while heating previously cooked foods to eating temperature Dishwasher safe