HIGH-QUALITY SILICONE RESIN The mold material uses high-quality silicone resin (temperature range: -40 ~ +230 degrees Celsius). SIMPLE AND PRACTICAL DIY letter mold is suitable for cooking, baking, etc., simple and practical. Before the mold is used for baking, a small amount of butter can be applied to the inside of the mold. EASY TO CLEAN Before use, it can be cleaned with clean water or detergent to remove surface dust. After use, it can be soaked in diluted detergent for 10-30 minutes. (Since it is not used for a long time, silica gel easily reacts with static electricity, and will adsorb fine particles and dust in the air.) MOLD SIZE The size of reusable DIY baked alphabet liquid silicone mold is 12.5 * 10.5cm / 4.9 * 4.1inch. When it is used in the oven, please place it in the middle of the oven, and keep a distance of about 10cm from the heating tube and 5cm from the four walls of the oven to avoid damage to the mold due to high temperature. THE EXPERIENCE OF MAKING CHOCOLATE When making chocolate in hot weather, it is recommended to turn on the air conditioner in the room and leave it for more than half an hour (the setting time will be different at room temperature). It is not recommended to put it in the refrigerator because the chocolate is easily broken.