COOK WORKS 12" Silicone Microwave Mat (2-Pack) Can be used as a placemat, coaster or pot pad and so on. Made of silicone material, easy cleaning, soft, non-toxic and long life. Ideal for home furnishings decoration and effectively protecting the desktop from being burned. Not only put in baking pan and heated directly but also can be put on the operating table to knead flour and the like operation. It can be applied to microwave heating, oven baked, non-direct contact with flame cooking, cold storage and freezing.