A cooking utensil that easily cooks rice in the microwave. It can also steam and boil. - Product Name: Gourmet Zanmai - Color: White - Size: Cooks 2 cups of rice in about 18 minutes - Material: Polypropylene - Heat resistance: +120°C Cold resistance: -20°C #Rice Porridge #Mixed Rice #Frozen Shumai #Simmered Dishes #Steamed Sweet Potato I have kept it at home without using it. Although there is a tear and deterioration on the box, it is new and unused.