Made of food-grade silicone, BPA-free, easy to release, and reusable. More stable structure and better performance. do not contain bisphenol A. Can be directly in contact with food, bring you safe and reliable enjoyment. The normal operating temperature range of platinum silica gel baking die is from - 40 C to + 230 C (- 104 F to 446 F). It can be used repeatedly in microwave ovens, ovens, refrigerators, and dishwashers. Stable and good thermal conductivity of platinum silica gel enables the silicone mold to be evenly heated, long-term use, no yellowing, no deformation. Its flexibility and mirror polishing process requires only gentle pressing, non-sticking and easy demolding. Rinse with water before and after use, quickly dry in a ventilated place, or dry with a clean soft cloth.