NOTE: 1. It's a small plate(5.1inch) so make sure to measure your pan/pot before purchase. 2.The heat-conducting plate is only for open flame stoves. Avoid excessive heat conduction, and do not burn the heat-conducting plate alone! 3.After the heat transfer plate stops heating, there is still residual heat, do not touch it directly! 4. Heat transfer sound and yellowing of disk can occur for this product from normal usage.