1. The silicone lollipop chocolate mold is non toxic, tasteless, sturdy, flexible, non stick, reusable, and food grade silicone. 2.Appropriate temperature is varying from -40 Centigrade to 230 Centigrade ( -40 Fahrenheit to 446 Fahrenheit). 3.The thicker material that were using right now also helps resist milling, can be used again and again.