The silicone baking molds set made of 100 Percent Food Grade Silicone, BPA Free, No chemical coating, Stain-resistant and odor-resistant, Flexible and elastic, Safe for Use in The Oven, Freezer, Microwave and Dishwasher. A MUST for Every Kitchen! 1. Put the silicone molds in boiling water for 5 minutes before using it for the first time to remove the smell of silicone itself (Only the first time). Make sure the silicone mold before each use and dry completely before storage. After each use, you can wash in the dishwasher or use hot water to clean.2. Heat-resistant Temperature is -104Degree F to 446Degree F (-40Degree C to 230Degree C), suitable for a wide range of baking needs. Ideal for delicious homemade keto fat bombs, bread, musse, jelly, prepead food, choocolate, cupcakes, candies, tarts, butters, caramels, ice cubes, muffin etc.3. Get ready silicone mold, push into a baking tray. Do not bake it empty! If you only use part of it, please add other parts with water. Baking finish, please remove the pan from the oven out, and place the bakery products in the cold rack until completely cold. The silicon mold can be used only for the Oven, Freezer, Microwave. Never can be used directly on the gas stove and induction cooker, or direct heating use!4. Mould with Nonstick Technology, easy to release and clean. Made of flexible silicone with NON-STICK function for easy and quick release of baked goods and desserts. Please don't wash with cold water immediately after out of the oven, to prolong service life.5. Do not use the knife or other sharp instruments on the silicone mold, and not weight, pulling. If long time need not when, should put in the carton, placed in the shade. Prestigious Service: You can contact us as soon as you have any questions before and after your purchase, and we will give you a satisfactory reply and solution after receiving the message.