Orka Multi-Steamer, Black Silicone steamer for microwave use, larger size for family portions Food retains essential vitamins and minerals; heat safe to 430 degrees F Food is steamed in own juices, no additional fats needed; heat safe to 430 degrees fahrenheit, intended for micowave use only; dishwasher safe Safe for oven, microwave, and dishwasher; recipe booklet included 8-1/2 by 8-1/4 by 5-1/2 inches; 5-year warranty