Silicone Steamer, Made from heat-resistant silicone, so will not stain, nor retain food tastes and odors. Measuring 8-1/2 inches in diameter equipped with an expanded surface area offered in a choice of fun, vibrant colors. When the cooking’s done, cleanup’s a snap since the veggisteam is top-rack dishwasher safe. Withstands heat up to 650 degrees f (340 degrees c) durable nylon core. Great for everyday cooking can also be used in the microwave.