material -Â made of 100% food grade silicone, heat resistant, non-toxic, no peculiar smell. wide range temperature tolerance - -40 to 450f (0-230c). safe for use in the dishwasher,oven, er, refrigerator and microwave. size - measures approximately 11.2''lx8.2''wx1.6''h inches( 28.5cm x 21cm x 4cm ), well made and duty. multipurpose combo set - silicone molds for baking can be used to make cupcakes, muffins, cookies, mousse, mini bread loaf sets, tarts, pudding and more.syi