This Fast Defrosting Thaw Food Tray is made of special alloy with thermal conductivity that is 20,000 times hotter compared to ordinary metals. This means that the defrosting plate achieves a high-speed heat exchange, allowing frozen foods to reach the fastest natural defrosting effect. No need to use microwave, electricity, hot water or chemicals. Simply place frozen food onto the tray and it will defrost up to faster than at room temperature. It is non-stick and very convenient to clean.