1Can withstand -40 to 230, can be used safely in ovens, microwave ovens, and refrigerators. 2Featuring non-stick design, it is easy to demould and take off the soap, easy to clean. 3The mold is made of silicone material, non-toxic and long lasting to use. 4Bowknot shaped molds is cute and attractive, and your kid will like desserts made from it. 5Perfect for DIY soap with your family and enjoy the pleasure with your children and lover.