Features: (1) Made of food-grade silicone material,BPA free. (2) Can withstand temperature range: -40 to 230 degrees Celsius. (3) Tasteless, non-toxic, anti-dust, durable, impermeable, easy to clean. (4) Can be used safely in the oven, microwave, dishwasher and refrigerator. Use and maintenance 1. After each use, wash in the dishwasher or use hot water to clean.Make sure the silicone mold before each use and dry completely before storage. 2. Don't rinse with cold water immediately after out of the oven, to prolong service life. 3. Long time need not when, put in the carton, placed in the shade.