Norpro 180 Silicone Steamer with Insert, Green, Medium Microwave or oven steam cook in minutes. Retain essential vitamins and flavors. Even heating cooks food thoroughly. Meats stay juicy and tender. Perfect for preparing healthy meals at home, work or school. Firm easy grip handles. Non-porous, odor resistant, food safe, FDA approved silicone. Microwave safe. Oven safe to 460F/240C. Recipes and instructions included.